16 lines
284 B
Text
16 lines
284 B
Text
open tactic
|
|
|
|
example (a b c : nat) : a = b → c = b → a = c :=
|
|
by do
|
|
h ← intro `h,
|
|
--^ "command": "info"
|
|
intros,
|
|
transitivity,
|
|
--^ "command": "info"
|
|
trace_state,
|
|
assumption,
|
|
--^ "command": "info"
|
|
symmetry,
|
|
--^ "command": "info"
|
|
assumption
|
|
--^ "command": "info"
|