Entry |
Value |
Name |
FORALL_IN_GSPEC3 |
Conclusion |
!p f q.
(!z. z IN {f w x y | p w x y} ==> q z) <=>
(!w x y. p w x y ==> q (f w x y)) |
Constructive Proof |
Yes |
Axiom |
N|A |
Classical Lemmas |
N|A |
Constructive Lemmas |
T!x. x = x!t. (!x. t) <=> t!t. F /\ t <=> F!t. T /\ t <=> t!t. t /\ F <=> F!t. t /\ T <=> t!t. t /\ t <=> t!t. (F <=> t) <=> ~t!t. (T <=> t) <=> t!t. (t <=> F) <=> ~t!t. (t <=> T) <=> t!f y. (\x. f x) y = f y!p x. x IN GSPEC p <=> p xF <=> (!p. p)T <=> (\p. p) = (\p. p)(~) = (\p. p ==> F)(/\) = (\p q. (\f. f p q) = (\f. f T T))(==>) = (\p q. p /\ q <=> p)(!) = (\p. p = (\x. T))(?) = (\p. !q. (!x. p x ==> q) ==> q) |
Contained Package |
set-thm |
Comment |
Standard HOL library retrieved from OpenTheory |