935c2a03a3
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
11 lines
No EOL
223 B
Text
11 lines
No EOL
223 B
Text
(* import("tactic.lua") *)
|
|
variables a b c : Bool
|
|
axiom H : a \/ b
|
|
theorem T (a b : Bool) : a \/ b => b \/ a.
|
|
apply discharge.
|
|
apply (or::elim H).
|
|
apply or::intror.
|
|
exact.
|
|
apply or::introl.
|
|
exact.
|
|
done. |