annotate src/coq/Axioms.v @ 1210:c5bd970e77a5

Parsing more comparison operators
author Adam Chlipala <adamc@hcoop.net>
date Tue, 06 Apr 2010 12:04:08 -0400
parents be88d2d169f6
children
rev   line source
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adamc@616 27
adamc@616 28 Set Implicit Arguments.
adamc@616 29
adamc@616 30
adamc@616 31 Axiom ext_eq : forall dom ran (f g : forall x : dom, ran x),
adamc@616 32 (forall x, f x = g x)
adamc@616 33 -> f = g.
adamc@616 34
adamc@616 35 Theorem ext_eq_forall : forall dom (f g : forall x : dom, Type),
adamc@616 36 (forall x, f x = g x)
adamc@616 37 -> (forall x, f x) = (forall x, g x).
adamc@616 38 intros.
adamc@616 39 rewrite (ext_eq _ f g H); reflexivity.
adamc@616 40 Qed.
adamc@616 41
adamc@616 42 Theorem ext_eq_forallS : forall dom (f g : forall x : dom, Set),
adamc@616 43 (forall x, f x = g x)
adamc@616 44 -> (forall x, f x) = (forall x, g x).
adamc@616 45 intros.
adamc@616 46 rewrite (ext_eq _ f g H); reflexivity.
adamc@616 47 Qed.