754276a660
This commit also replaces the notation for divides
`(` a `|` b `)`
with
a `∣` b
The character `∣` is entered by typing \|
closes #516
23 lines
548 B
Text
23 lines
548 B
Text
import logic
|
||
open tactic
|
||
|
||
definition my_tac1 := apply @eq.refl
|
||
definition my_tac2 := repeat (apply @and.intro; assumption)
|
||
|
||
tactic_hint my_tac1
|
||
tactic_hint my_tac2
|
||
|
||
theorem T1 {A : Type.{2}} (a : A) : a = a
|
||
:= _
|
||
|
||
theorem T2 {a b c : Prop} (Ha : a) (Hb : b) (Hc : c) : a ∧ b ∧ c
|
||
:= _
|
||
|
||
definition my_tac3 := fixpoint (λ f, (apply @or.intro_left; f |
|
||
apply @or.intro_right; f |
|
||
assumption))
|
||
|
||
tactic_hint my_tac3
|
||
|
||
theorem T3 {a b c : Prop} (Hb : b) : a ∨ b ∨ c
|
||
:= _
|