2013-10-30 17:45:34 +00:00
|
|
|
|
Set: pp::colors
|
|
|
|
|
|
Set: pp::unicode
|
|
|
|
|
|
Assumed: a
|
|
|
|
|
|
Assumed: n
|
|
|
|
|
|
Assumed: H1
|
|
|
|
|
|
Assumed: H2
|
|
|
|
|
|
Proved: T
|
|
|
|
|
|
Set: lean::pp::coercion
|
|
|
|
|
|
Set: lean::pp::notation
|
|
|
|
|
|
Set: lean::pp::implicit
|
2013-12-22 01:02:16 +00:00
|
|
|
|
Theorem T : @eq ℤ (Int::add (Int::add a (nat_to_int n)) a) (nat_to_int 10) :=
|
|
|
|
|
|
@Subst ℤ a (nat_to_int n) (λ x : ℤ, Int::add (Int::add a x) a == nat_to_int 10) H1 H2
|
