lean4-htt/tests/lean/run/simp3.lean
Daniel Selsam e1bc0a68e6 refactor(simplifier): port skeleton to new tactic framework
Conflicts:
	library/init/meta/tactic.lean
	src/library/tactic/tactic_state.cpp
2016-06-24 15:20:40 -07:00

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import algebra.ring
constants (A : Type.{1}) (A_cr : comm_ring A) (x y z w : A)
attribute A_cr [instance]
open tactic
open simplifier.unit simplifier.ac simplifier.distrib
example : (x + y) * (z + w) = x * z + x * w + y * z + y * w * 1 + 0 :=
by simp >> trace_state >> triv