10 lines
258 B
Text
10 lines
258 B
Text
Set: pp::colors
|
|
Set: pp::unicode
|
|
Assumed: N
|
|
Assumed: a
|
|
Assumed: b
|
|
Assumed: c
|
|
Assumed: P
|
|
Proved: T1
|
|
Theorem T1 (f : N → N) (H : P (f a) b (f (f c))) : ∃ x y z : N, P x y z :=
|
|
ExistsIntro (f a) (ExistsIntro b (ExistsIntro (f (f c)) H))
|