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Téléchargement au format .pdf

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228 La quantication<br />

2 0 : (8 x 2 )[(f x 2 ) [(9 x 1 )[(g x 1 ) ^ (P x 2 x 1 )]]]<br />

3: (9 x 1 )[(f x 1 ) ^ [(8 x 2 )[(g x 2 ) (P x 2 x 1 )]]]<br />

3 0 : (9 x 2 )[(f x 2 ) ^ [(8 x 1 )[(g x 1 ) (P x 2 x 1 )]]]<br />

4: (9 x 1 )[(f x 1 ) ^ [(9 x 2 )[(g x 2 ) ^ (P x 2 x 1 )]]]<br />

La formule 1 se transforme dans la logique combinatoire en :<br />

ou<br />

ou<br />

(8 x 1 )[(f x 1 ) 2 g (P' x 1 )]<br />

2 f( 2 g P')<br />

B 2 fgP'<br />

On denit le combinateur X = B et on a :<br />

X 2 fgP'<br />

On denit un quanticateur note 3 par l'equation combinatoire :<br />

3 fgP X 2 fgP'<br />

ou par les regles d'introduction et d'elimination :<br />

(f x)<br />

. [i- 3 ]<br />

(g x) (P x 2 x 1 )<br />

3 fgP<br />

ou<br />

(f x 1 ) ` ((g x 2 ) ` (P x 2 x 1 ))<br />

3 fgP<br />

3 fgP (f x 1 ) (g x 2 )<br />

(P x 2 x 1 )<br />

[e- 3 ]

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