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<title>La syntaxe logique du langage</title>
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<body epub:type="bodymatter"><section><span id="pg_115" style="display:none;" title="116">*</span><div id="page-container"><div class="pf w0 h0" data-page-no="73" id="pf73"><div class="pc pc73 w0 h0"><img alt="" class="bi xc9 y971 w3 h27" src="images/bg73.jpg"/><div class="t m0 x20 he y48 ff6 fsb fc1 sc0 ls0 ws5">116<span class="_ _40"> </span><span class="ff7">L<span class="_ _1"></span>a<span class="_ _8"> </span>syntaxe<span class="_ _8"> </span>lo<span class="_ _13"></span>gique<span class="_ _8"> </span>du<span class="_ _8"> </span>langage</span></div><div class="t m0 x20 h17 y21 ffc fse fc1 sc0 ls0 ws5">plus<span class="_ _9"> </span>tard<span class="_ _8"> </span>(p.<span class="_ _9"> </span>362<span class="_ _8"> </span><span class="ffd">sq</span>.),<span class="_ _9"> </span>cette<span class="_ _8"> </span>métho<span class="_ _5"></span>de<span class="_ _9"> </span>est<span class="_ _8"> </span>à<span class="_ _9"> </span>la<span class="_ _8"> </span>fois<span class="_ _9"> </span>admissible<span class="_ _8"> </span>et<span class="_ _9"> </span>av<span class="_ _13"></span>an-</div><div class="t m0 x20 h17 y911 ffc fse fc1 sc0 ls0 ws5">tageuse<span class="_ _10"> </span>p<span class="_ _5"></span>our<span class="_ _9"> </span>des<span class="_ _9"> </span>langues<span class="_ _10"> </span>extensionnelles<span class="_ _9"> </span>comme<span class="_ _9"> </span>I<span class="_ _9"> </span>et<span class="_ _10"> </span>I<span class="_ _5"></span>I.</div><div class="t m0 x21 he y972 ff6 fsb fc1 sc0 ls0 ws5">Dans<span class="_ _8"> </span>la<span class="_ _8"> </span>suite,<span class="_ _8"> </span>p<span class="_ _5"></span>our<span class="_ _8"> </span>abréger,<span class="_ _8"> </span>lorsque<span class="_ _8"> </span>nous<span class="_ _8"> </span>écrirons<span class="_ _8"> </span>des<span class="_ _8"> </span>expres-</div><div class="t m0 x20 he y973 ff6 fsb fc1 sc0 ls0 ws5">sions<span class="_ _b"> </span>symboliques<span class="_ _b"> </span>quelconques<span class="_ _b"> </span>faisant<span class="_ _b"> </span>partie<span class="_ _b"> </span>des<span class="_ _b"> </span>langues-ob<span class="_ _5"></span>jets</div><div class="t m0 x20 he y974 ff6 fsb fc1 sc0 ls0 ws5">ou<span class="_ _a"> </span>des<span class="_ _a"> </span>langues<span class="_ _a"> </span>syn<span class="_ _1"></span>taxiques,<span class="_ _a"> </span>nous<span class="_ _a"> </span>omettrons<span class="_ _a"> </span>(comme<span class="_ _a"> </span>on<span class="_ _a"> </span>le<span class="_ _a"> </span>fait</div><div class="t m0 x20 he y975 ff6 fsb fc1 sc0 ls0 ws5">habituellemen<span class="_ _d"></span>t)<span class="_ _e"> </span>les<span class="_ _e"> </span>parenthèses<span class="_ _e"> </span>en<span class="_ _1"></span>tourant<span class="_ _e"> </span>une<span class="_ _e"> </span>sous-expression<span class="_ _e"> </span><span class="ff12">A</span></div><div class="t m0 xea h22 y976 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x20 he y977 ff6 fsb fc1 sc0 ls0 ws5">(qui<span class="_ _10"> </span>p<span class="_ _5"></span>eut<span class="_ _9"> </span>être<span class="_ _9"> </span>soit<span class="_ _10"> </span>une<span class="_ _9"> </span>prop<span class="_ _5"></span>osition<span class="_ _10"> </span>soit<span class="_ _9"> </span>la<span class="_ _9"> </span>désignation<span class="_ _9"> </span>syntaxique</div><div class="t m0 x20 he y978 ff6 fsb fc1 sc0 ls0 ws5">d’une<span class="_ _9"> </span>prop<span class="_ _5"></span>osition)<span class="_ _9"> </span>dans<span class="_ _8"> </span>les<span class="_ _9"> </span>cas<span class="_ _8"> </span>suiv<span class="_ _13"></span>ants<span class="_ _10"> </span>:</div><div class="t m0 x21 he y979 ff6 fsb fc1 sc0 ls0 ws5">1.<span class="_ _9"> </span>Lorsque<span class="_ _8"> </span><span class="ff12">A</span></div><div class="t m0 x92 h22 y97a ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xcf he y979 ff6 fsb fc1 sc0 ls0 ws5">consiste<span class="_ _9"> </span>uniquement<span class="_ _9"> </span>en<span class="_ _8"> </span>une<span class="_ _9"> </span>lettre.</div><div class="t m0 x21 he y97b ff6 fsb fc1 sc0 ls0 ws5">2.<span class="_ _10"> </span>Dans<span class="_ _10"> </span>le<span class="_ _9"> </span>con<span class="_ _1"></span>texte<span class="_ _9"> </span><span class="ff15">∼<span class="ff19">(<span class="ff12">A</span></span></span></div><div class="t m0 x30 h22 y97c ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x31 he y97b ff19 fsb fc1 sc0 ls0 ws5">)<span class="ff6">,<span class="_ _10"> </span>ou<span class="_ _10"> </span><span class="ff12">verkn</span></span>(<span class="ff12">A</span></div><div class="t m0 xa1 h22 y97c ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x25 he y97b ff19 fsb fc1 sc0 ls0 ws5">)<span class="ff6">,<span class="_ _10"> </span>ou<span class="_ _10"> </span></span>(<span class="ff12">A</span></div><div class="t m0 xeb h22 y97c ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xec he y97b ff19 fsb fc1 sc0 ls0 ws5">)<span class="ff12">verkn<span class="ff6">,<span class="_ _10"> </span>lorsque</span></span></div><div class="t m0 x20 h25 y97d ff12 fsb fc1 sc0 ls0 ws5">A</div><div class="t m0 xb5 h22 y97e ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xe he y97d ff6 fsb fc1 sc0 ls0 ws5">commence<span class="_ _8"> </span>soit<span class="_ _8"> </span>par<span class="_ _9"> </span>‘<span class="ff15">∼</span>’,<span class="_ _8"> </span>soit<span class="_ _8"> </span>par<span class="_ _8"> </span>un<span class="_ _8"> </span><span class="ff12">pr</span>,<span class="_ _9"> </span>soit<span class="_ _8"> </span>par<span class="_ _8"> </span>un<span class="_ _8"> </span>opérateur</div><div class="t m0 x20 he y97f ff6 fsb fc1 sc0 ls0 ws5">(v<span class="_ _d"></span>oir<span class="_ _9"> </span>plus<span class="_ _8"> </span>bas).</div><div class="t m0 x21 he y980 ff6 fsb fc1 sc0 ls0 ws5">3.<span class="_ _8"> </span>Lorsque<span class="_ _8"> </span><span class="ff12">A</span></div><div class="t m0 x48 h22 y981 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xa5 he y980 ff6 fsb fc1 sc0 ls0 ws5">est<span class="_ _8"> </span>un<span class="_ _8"> </span>terme<span class="_ _8"> </span>d’une<span class="_ _b"> </span>disjonction<span class="_ _8"> </span>et<span class="_ _8"> </span>est<span class="_ _8"> </span>lui-même</div><div class="t m0 x20 he y982 ff6 fsb fc1 sc0 ls0 ws5">une<span class="_ _9"> </span>disjonction.</div><div class="t m0 x21 he y983 ff6 fsb fc1 sc0 ls0 ws5">4.<span class="_ _8"> </span>Lorsque<span class="_ _9"> </span><span class="ff12">A</span></div><div class="t m0 x92 h22 y984 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xcf he y983 ff6 fsb fc1 sc0 ls0 ws5">est<span class="_ _8"> </span>un<span class="_ _9"> </span>terme<span class="_ _8"> </span>d’une<span class="_ _9"> </span>conjonction<span class="_ _8"> </span>et<span class="_ _8"> </span>est<span class="_ _9"> </span>lui-même</div><div class="t m0 x20 he y985 ff6 fsb fc1 sc0 ls0 ws5">une<span class="_ _9"> </span>conjonction.</div><div class="t m0 x21 he y986 ff6 fsb fc1 sc0 ls0 ws5">5.<span class="_ _8"> </span>Lorsque<span class="_ _8"> </span><span class="ff12">A</span></div><div class="t m0 x48 h22 y987 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xa5 he y986 ff6 fsb fc1 sc0 ls0 ws5">est<span class="_ _8"> </span>un<span class="_ _8"> </span>opérande<span class="_ _8"> </span>et<span class="_ _8"> </span>commence<span class="_ _8"> </span>lui-même<span class="_ _9"> </span>par<span class="_ _8"> </span>un</div><div class="t m0 x20 he y988 ff6 fsb fc1 sc0 ls0 ws5">op<span class="_ _5"></span>érateur<span class="_ _9"> </span>(nous<span class="_ _9"> </span>reviendrons<span class="_ _8"> </span>plus<span class="_ _9"> </span>tard<span class="_ _8"> </span>sur<span class="_ _9"> </span>ce<span class="_ _9"> </span>p<span class="_ _5"></span>oin<span class="_ _d"></span>t).</div><div class="t m0 x21 he y989 ff6 fsb fc1 sc0 ls0 ws5">Ainsi,<span class="_ _e"> </span>au<span class="_ _e"> </span>lieu<span class="_ _1b"> </span>de<span class="_ _e"> </span>‘</div><div class="t m0 x4a h1c y98a ff14 fsb fc1 sc0 ls0 ws5"></div><div class="t m0 x4b he y989 ff15 fsb fc1 sc0 ls0 ws5">∼<span class="ff19">(<span class="ff12">S</span></span></div><div class="t m0 xed h22 y98b ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xee he y989 ff19 fsb fc1 sc0 ls0 ws5">)</div><div class="t m0 xef h1c y98a ff14 fsb fc1 sc0 ls0 ws5"></div><div class="t m0 x58 he y989 ff15 fsb fc1 sc0 ls0 ws5">∨<span class="_ _1b"> </span><span class="ff19">(<span class="ff12">S</span></span></div><div class="t m0 x4d h22 y98b ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xa7 he y989 ff19 fsb fc1 sc0 ls0 ws5">)<span class="ff6">’<span class="_ _e"> </span>[mais<span class="_ _e"> </span>non<span class="_ _1b"> </span>au<span class="_ _e"> </span>lieu<span class="_ _e"> </span>de<span class="_ _e"> </span>‘<span class="ff15">∼</span></span></div><div class="t m0 xc7 h1c y98a ff14 fsb fc1 sc0 ls0 ws5"></div><div class="t m0 xf0 he y989 ff19 fsb fc1 sc0 ls0 ws5">(<span class="ff12">S</span></div><div class="t m0 x57 h22 y98b ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xf1 he y989 ff19 fsb fc1 sc0 ls0 ws5">)</div><div class="t m0 x20 he y98c ff15 fsb fc1 sc0 ls0 ws5">∨<span class="ff19">(<span class="ff12">S</span></span></div><div class="t m0 x34 h22 y98d ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 x8 he y98c ff19 fsb fc1 sc0 ls0 ws5">)</div><div class="t m0 xe8 h1c y98e ff14 fsb fc1 sc0 ls0 ws5"></div><div class="t m0 xf2 he y98c ff6 fsb fc1 sc0 ls0 ws5">’],<span class="_ _10"> </span>nous<span class="_ _10"> </span>écrirons<span class="_ _10"> </span>en<span class="_ _10"> </span>abrégé<span class="_ _10"> </span>:<span class="_ _10"> </span>‘<span class="ff15">∼<span class="_ _1f"> </span><span class="ff12">S</span></span></div><div class="t m0 xf3 h22 y98d ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x25 h26 y98c ff15 fsb fc1 sc0 ls0 ws5">∨<span class="_ _1b"> </span><span class="ff12">S</span></div><div class="t m0 x28 h22 y98d ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xf4 he y98c ff6 fsb fc1 sc0 ls0 ws5">’<span class="_ _1e"> </span>;<span class="_ _10"> </span>de<span class="_ _10"> </span>même<span class="_ _10"> </span>:<span class="_ _9"> </span>‘<span class="ff12">S</span></div><div class="t m0 x40 h22 y98d ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x41 h26 y98c ff15 fsb fc1 sc0 ls0 ws5">∨</div><div class="t m0 x20 h25 y98f ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 x11 h22 y990 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xad h26 y98f ff15 fsb fc1 sc0 ls0 ws5">∨<span class="_ _1b"> </span><span class="ff12">S</span></div><div class="t m0 xf2 h22 y990 ff1c fs13 fc1 sc0 ls0 ws5">3</div><div class="t m0 x4f he y98f ff6 fsb fc1 sc0 ls0 ws5">’,<span class="_ _b"> </span>‘<span class="ff12">S</span></div><div class="t m0 x8a h22 y990 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xf5 h26 y98f ff15 fsb fc1 sc0 ls0 ws5">·<span class="_ _1b"> </span><span class="ff12">S</span></div><div class="t m0 x3a h22 y990 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 x43 h26 y98f ff15 fsb fc1 sc0 ls0 ws5">·<span class="_ _1b"> </span><span class="ff12">S</span></div><div class="t m0 xf6 h22 y990 ff1c fs13 fc1 sc0 ls0 ws5">3</div><div class="t m0 xf7 he y98f ff6 fsb fc1 sc0 ls0 ws5">’<span class="_ _2"></span>.<span class="_ _b"> </span>Cette<span class="_ _b"> </span>simplification<span class="_ _b"> </span>ne<span class="_ _b"> </span>sera<span class="_ _b"> </span>cep<span class="_ _5"></span>endan<span class="_ _1"></span>t</div><div class="t m0 x20 he y991 ff6 fsb fc1 sc0 ls0 ws5">utilisée<span class="_ _b"> </span>ici<span class="_ _b"> </span>que<span class="_ _b"> </span>dans<span class="_ _b"> </span>un<span class="_ _b"> </span>but<span class="_ _b"> </span>pratique<span class="_ _b"> </span>lorsqu’il<span class="_ _b"> </span>s’agit<span class="_ _b"> </span>d’écrire<span class="_ _a"> </span>les</div><div class="t m0 x20 he y992 ff6 fsb fc1 sc0 ls0 ws5">expressions – la formulation des définitions et des règles<span class="_ _f"> </span>syn-</div><div class="t m0 x20 he y993 ff6 fsb fc1 sc0 ls0 ws5">taxiques<span class="_ _10"> </span>devra<span class="_ _e"> </span>toujours<span class="_ _10"> </span>être<span class="_ _10"> </span>rapp<span class="_ _5"></span>ortée<span class="_ _e"> </span>aux<span class="_ _10"> </span>expressions<span class="_ _10"> </span>complètes</div><div class="t m0 x20 he y994 ff6 fsb fc1 sc0 ls0 ws5">a<span class="_ _d"></span>v<span class="_ _d"></span>ec<span class="_ _8"> </span>toutes<span class="_ _8"> </span>leurs<span class="_ _8"> </span>paren<span class="_ _1"></span>thèses.<span class="_ _8"> </span>Il<span class="_ _8"> </span>y<span class="_ _8"> </span>a,<span class="_ _8"> </span>de<span class="_ _8"> </span>toute<span class="_ _9"> </span>évidence,<span class="_ _8"> </span>lorsqu’il</div><div class="t m0 x20 he y995 ff6 fsb fc1 sc0 ls0 ws5">s’agit<span class="_ _a"> </span>d’attribuer<span class="_ _b"> </span>une<span class="_ _a"> </span>v<span class="_ _1"></span>aleur<span class="_ _a"> </span>de<span class="_ _a"> </span>v<span class="_ _1"></span>érité<span class="_ _a"> </span>à<span class="_ _a"> </span>deux<span class="_ _b"> </span>prop<span class="_ _5"></span>ositions,<span class="_ _a"> </span><span class="ff12">S</span></div><div class="t m0 xea h22 y996 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x20 he y997 ff6 fsb fc1 sc0 ls0 ws5">et<span class="_ _b"> </span><span class="ff12">S</span></div><div class="t m0 x9c h22 y998 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xc4 he y997 ff6 fsb fc1 sc0 ls0 ws5">,<span class="_ _b"> </span>quatre<span class="_ _8"> </span>p<span class="_ _5"></span>ossibilités,<span class="_ _b"> </span>qui<span class="_ _b"> </span>peuven<span class="_ _1"></span>t<span class="_ _b"> </span>être<span class="_ _b"> </span>représen<span class="_ _1"></span>tées<span class="_ _b"> </span>par<span class="_ _b"> </span>les</div><div class="t m0 x20 he y999 ff6 fsb fc1 sc0 ls0 ws5">quatre<span class="_ _b"> </span>lignes<span class="_ _a"> </span>de<span class="_ _b"> </span>la<span class="_ _b"> </span><span class="ff7">table<span class="_ _a"> </span>de<span class="_ _a"> </span>vérité </span>données<span class="_ _b"> </span>ci-dessous.<span class="_ _a"> </span>La<span class="_ _b"> </span>table</div><div class="t m0 x20 he y99a ff6 fsb fc1 sc0 ls0 ws5">mon<span class="_ _d"></span>tre<span class="_ _10"> </span>dans<span class="_ _9"> </span>lesquels<span class="_ _10"> </span>de<span class="_ _9"> </span>ces<span class="_ _10"> </span>quatre<span class="_ _9"> </span>cas<span class="_ _10"> </span>la<span class="_ _10"> </span>prop<span class="_ _5"></span>osition<span class="_ _10"> </span>comp<span class="_ _5"></span>osée<span class="_ _10"> </span>à</div><div class="t m0 x20 he y99b ff6 fsb fc1 sc0 ls0 ws5">partir<span class="_ _8"> </span>des<span class="_ _b"> </span>deux<span class="_ _8"> </span>propositions<span class="_ _b"> </span>primitiv<span class="_ _1"></span>es<span class="_ _8"> </span>à<span class="_ _b"> </span>l’aide<span class="_ _8"> </span>d’un<span class="_ _8"> </span>connecteur</div><div class="t m0 x20 he y99c ff6 fsb fc1 sc0 ls0 ws5">est<span class="_ _9"> </span>vraie<span class="_ _9"> </span>et<span class="_ _9"> </span>dans<span class="_ _8"> </span>lesquels<span class="_ _10"> </span>elle<span class="_ _9"> </span>est<span class="_ _8"> </span>fausse<span class="_ _20"></span>;<span class="_ _9"> </span>par<span class="_ _8"> </span>exemple,<span class="_ _10"> </span>la<span class="_ _9"> </span>disjonc-</div><div class="t m0 x20 he y99d ff6 fsb fc1 sc0 ls0 ws5">tion<span class="_ _10"> </span>est<span class="_ _10"> </span>fausse<span class="_ _10"> </span>uniquemen<span class="_ _1"></span>t<span class="_ _10"> </span>dans<span class="_ _10"> </span>le<span class="_ _10"> </span>quatrième<span class="_ _10"> </span>cas,<span class="_ _10"> </span>vraie<span class="_ _10"> </span>dans<span class="_ _10"> </span>tous</div><div class="t m0 x20 he y99e ff6 fsb fc1 sc0 ls0 ws5">les<span class="_ _9"> </span>autres.</div><div class="t m0 xf8 h25 y99f ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 xb9 h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x7 h25 y99f ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 xf5 h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 x4a h25 y9a1 ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 x1 h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x2c h26 y9a1 ff15 fsb fc1 sc0 ls0 ws5">∨<span class="_ _1b"> </span><span class="ff12">S</span></div><div class="t m0 xf9 h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 x71 h25 y9a1 ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 x45 h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xfa h26 y9a1 ff15 fsb fc1 sc0 ls0 ws5">·<span class="_ _1b"> </span><span class="ff12">S</span></div><div class="t m0 x5c h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xa2 h25 y9a1 ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 x3d h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 xfb h26 y9a1 ff15 fsb fc1 sc0 ls0 ws5">⊃<span class="_ _10"> </span><span class="ff12">S</span></div><div class="t m0 xfc h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xfd h25 y9a1 ff12 fsb fc1 sc0 ls0 ws5">S</div><div class="t m0 x76 h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">1</div><div class="t m0 x47 h26 y9a1 ff15 fsb fc1 sc0 ls0 ws5">≡<span class="_ _10"> </span><span class="ff12">S</span></div><div class="t m0 xbf h22 y9a0 ff1c fs13 fc1 sc0 ls0 ws5">2</div><div class="t m0 xe1 he y9a2 ff6 fsb fc1 sc0 ls0 ws5">1.<span class="_ _24"> </span>V<span class="_ _31"> </span>V<span class="_ _44"> </span>V<span class="_ _45"> </span>V<span class="_ _46"> </span>V<span class="_ _47"> </span>V</div><div class="t m0 xe1 he y9a3 ff6 fsb fc1 sc0 ls0 ws5">2.<span class="_ _24"> </span>V<span class="_ _35"> </span>F<span class="_ _48"> </span>V<span class="_ _49"> </span>F<span class="_ _4a"> </span>F<span class="_ _4b"> </span>F</div><div class="t m0 xe1 he y9a4 ff6 fsb fc1 sc0 ls0 ws5">3.<span class="_ _2e"> </span>F<span class="_ _4c"> </span>V<span class="_ _44"> </span>V<span class="_ _49"> </span>F<span class="_ _4d"> </span>V<span class="_ _4e"> </span>F</div><div class="t m0 xe1 he y9a5 ff6 fsb fc1 sc0 ls0 ws5">4.<span class="_ _2e"> </span>F<span class="_ _4f"> </span>F<span class="_ _50"> </span>F<span class="_ _36"> </span>F<span class="_ _51"> </span>V<span class="_ _47"> </span>V</div><div class="t m0 x21 he y77 ff6 fsb fc1 sc0 ls0 ws5">La<span class="_ _9"> </span>table<span class="_ _8"> </span>à<span class="_ _9"> </span>deux<span class="_ _9"> </span>lignes<span class="_ _8"> </span>ci-dessous<span class="_ _9"> </span>est<span class="_ _8"> </span>la<span class="_ _9"> </span>table<span class="_ _9"> </span>de<span class="_ _8"> </span>la<span class="_ _9"> </span>négation.</div></div><div class="pi" data-data="{"ctm":[2.010050,0.000000,0.000000,2.010050,0.000000,0.000 000]}"></div></div>
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