X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Flogic%2Fcprop_connectives.ma;h=a18ab47eb4db8cde5207982c7943b4e9fd718dbf;hb=a88be1ca42c0969dbab9a5c76240f5931df876d9;hp=31cd9c576c236355b73e9335319c88c9b97d1c95;hpb=fdab21f9db0c8536718001e38213c34595170182;p=helm.git diff --git a/helm/software/matita/library/logic/cprop_connectives.ma b/helm/software/matita/library/logic/cprop_connectives.ma index 31cd9c576..a18ab47eb 100644 --- a/helm/software/matita/library/logic/cprop_connectives.ma +++ b/helm/software/matita/library/logic/cprop_connectives.ma @@ -75,65 +75,63 @@ interpretation "logical iff type1" 'iff1 x y = (Iff1 x y). inductive exT (A:Type) (P:A→CProp) : CProp ≝ ex_introT: ∀w:A. P w → exT A P. - -notation "\ll term 19 a, break term 19 b \gg" -with precedence 90 for @{'dependent_pair $a $b}. -interpretation "dependent pair" 'dependent_pair a b = - (ex_introT _ _ a b). -interpretation "CProp exists" 'exists \eta.x = (exT _ x). +interpretation "CProp exists" 'exists x = (exT ? x). notation "\ll term 19 a, break term 19 b \gg" with precedence 90 for @{'dependent_pair $a $b}. -interpretation "dependent pair" 'dependent_pair a b = - (ex_introT _ _ a b). - +interpretation "dependent pair" 'dependent_pair a b = (ex_introT ?? a b). definition pi1exT ≝ λA,P.λx:exT A P.match x with [ex_introT x _ ⇒ x]. + +interpretation "exT \fst" 'pi1 = (pi1exT ? ?). +interpretation "exT \fst" 'pi1a x = (pi1exT ? ? x). +interpretation "exT \fst" 'pi1b x y = (pi1exT ? ? x y). + definition pi2exT ≝ - λA,P.λx:exT A P.match x return λx.P (pi1exT ?? x) with [ex_introT _ p ⇒ p]. + λA,P.λx:exT A P.match x return λx.P (pi1exT ? ? x) with [ex_introT _ p ⇒ p]. -interpretation "exT \fst" 'pi1 = (pi1exT _ _). -interpretation "exT \fst" 'pi1a x = (pi1exT _ _ x). -interpretation "exT \fst" 'pi1b x y = (pi1exT _ _ x y). -interpretation "exT \snd" 'pi2 = (pi2exT _ _). -interpretation "exT \snd" 'pi2a x = (pi2exT _ _ x). -interpretation "exT \snd" 'pi2b x y = (pi2exT _ _ x y). +interpretation "exT \snd" 'pi2 = (pi2exT ? ?). +interpretation "exT \snd" 'pi2a x = (pi2exT ? ? x). +interpretation "exT \snd" 'pi2b x y = (pi2exT ? ? x y). inductive exP (A:Type) (P:A→Prop) : CProp ≝ ex_introP: ∀w:A. P w → exP A P. interpretation "dependent pair for Prop" 'dependent_pair a b = - (ex_introP _ _ a b). + (ex_introP ?? a b). -interpretation "CProp exists for Prop" 'exists \eta.x = (exP _ x). +interpretation "CProp exists for Prop" 'exists x = (exP ? x). definition pi1exP ≝ λA,P.λx:exP A P.match x with [ex_introP x _ ⇒ x]. + +interpretation "exP \fst" 'pi1 = (pi1exP ? ?). +interpretation "exP \fst" 'pi1a x = (pi1exP ? ? x). +interpretation "exP \fst" 'pi1b x y = (pi1exP ? ? x y). + definition pi2exP ≝ λA,P.λx:exP A P.match x return λx.P (pi1exP ?? x) with [ex_introP _ p ⇒ p]. -interpretation "exP \fst" 'pi1 = (pi1exP _ _). -interpretation "exP \fst" 'pi1a x = (pi1exP _ _ x). -interpretation "exP \fst" 'pi1b x y = (pi1exP _ _ x y). -interpretation "exP \snd" 'pi2 = (pi2exP _ _). -interpretation "exP \snd" 'pi2a x = (pi2exP _ _ x). -interpretation "exP \snd" 'pi2b x y = (pi2exP _ _ x y). - +interpretation "exP \snd" 'pi2 = (pi2exP ? ?). +interpretation "exP \snd" 'pi2a x = (pi2exP ? ? x). +interpretation "exP \snd" 'pi2b x y = (pi2exP ? ? x y). inductive exT23 (A:Type) (P:A→CProp) (Q:A→CProp) (R:A→A→CProp) : CProp ≝ ex_introT23: ∀w,p:A. P w → Q p → R w p → exT23 A P Q R. definition pi1exT23 ≝ λA,P,Q,R.λx:exT23 A P Q R.match x with [ex_introT23 x _ _ _ _ ⇒ x]. + +interpretation "exT2 \fst" 'pi1 = (pi1exT23 ? ? ? ?). +interpretation "exT2 \fst" 'pi1a x = (pi1exT23 ? ? ? ? x). +interpretation "exT2 \fst" 'pi1b x y = (pi1exT23 ? ? ? ? x y). + definition pi2exT23 ≝ λA,P,Q,R.λx:exT23 A P Q R.match x with [ex_introT23 _ x _ _ _ ⇒ x]. -interpretation "exT2 \fst" 'pi1 = (pi1exT23 _ _ _ _). -interpretation "exT2 \snd" 'pi2 = (pi2exT23 _ _ _ _). -interpretation "exT2 \fst" 'pi1a x = (pi1exT23 _ _ _ _ x). -interpretation "exT2 \snd" 'pi2a x = (pi2exT23 _ _ _ _ x). -interpretation "exT2 \fst" 'pi1b x y = (pi1exT23 _ _ _ _ x y). -interpretation "exT2 \snd" 'pi2b x y = (pi2exT23 _ _ _ _ x y). +interpretation "exT2 \snd" 'pi2 = (pi2exT23 ? ? ? ?). +interpretation "exT2 \snd" 'pi2a x = (pi2exT23 ? ? ? ? x). +interpretation "exT2 \snd" 'pi2b x y = (pi2exT23 ? ? ? ? x y). inductive exT2 (A:Type) (P,Q:A→CProp) : CProp ≝ ex_introT2: ∀w:A. P w → Q w → exT2 A P Q.