lean2/tests/lean/simp20.lean

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rewrite_set simple
set_option pp::implicit true
variable g : TypeM → TypeM
variable B : Type
variable B' : Type
axiom H : B = B'
add_rewrite H : simple
(*
local t = parse_lean([[ g B ]])
print(t)
print("===>")
local t2, pr = simplify(t, "simple")
print(t2)
print(pr)
print(get_environment():type_check(pr))
*)