diff options
author | Stephane Glondu <steph@glondu.net> | 2009-07-04 13:28:35 +0200 |
---|---|---|
committer | Stephane Glondu <steph@glondu.net> | 2009-07-04 13:28:35 +0200 |
commit | e4282ea99c664d8d58067bee199cbbcf881b60d5 (patch) | |
tree | d4c4a873eb055c728666f367469fa26c3417793a /theories/Logic | |
parent | a0a94c1340a63cdb824507b973393882666ba52a (diff) |
Imported Upstream version 8.2.pl1+dfsgupstream/8.2.pl1+dfsg
Diffstat (limited to 'theories/Logic')
-rw-r--r-- | theories/Logic/ConstructiveEpsilon.v | 6 | ||||
-rw-r--r-- | theories/Logic/FunctionalExtensionality.v | 2 |
2 files changed, 3 insertions, 5 deletions
diff --git a/theories/Logic/ConstructiveEpsilon.v b/theories/Logic/ConstructiveEpsilon.v index 3753b97b..ff70c9fb 100644 --- a/theories/Logic/ConstructiveEpsilon.v +++ b/theories/Logic/ConstructiveEpsilon.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: ConstructiveEpsilon.v 11238 2008-07-19 09:34:03Z herbelin $ i*) +(*i $Id: ConstructiveEpsilon.v 12112 2009-04-28 15:47:34Z herbelin $ i*) (** This module proves the constructive description schema, which infers the sigma-existence (i.e., [Set]-existence) of a witness to a @@ -14,8 +14,8 @@ predicate from the regular existence (i.e., [Prop]-existence). One requires that the underlying set is countable and that the predicate is decidable. *) -(** Coq does not allow case analysis on sort [Set] when the goal is in -[Prop]. Therefore, one cannot eliminate [exists n, P n] in order to +(** Coq does not allow case analysis on sort [Prop] when the goal is in +[Set]. Therefore, one cannot eliminate [exists n, P n] in order to show [{n : nat | P n}]. However, one can perform a recursion on an inductive predicate in sort [Prop] so that the returning type of the recursion is in [Set]. This trick is described in Coq'Art book, Sect. diff --git a/theories/Logic/FunctionalExtensionality.v b/theories/Logic/FunctionalExtensionality.v index 4445b0e1..0dc82907 100644 --- a/theories/Logic/FunctionalExtensionality.v +++ b/theories/Logic/FunctionalExtensionality.v @@ -11,8 +11,6 @@ (** This module states the axiom of (dependent) functional extensionality and (dependent) eta-expansion. It introduces a tactic [extensionality] to apply the axiom of extensionality to an equality goal. *) -Set Manual Implicit Arguments. - (** The converse of functional extensionality. *) Lemma equal_f : forall {A B : Type} {f g : A -> B}, |