lean4-htt/tests/lean/run/sym_cbv_12336.lean
Leonardo de Moura 03dc334f73
fix: simp have in Sym (#12370)
This PR fixes a proof construction bug in `Sym.simp`.

Closes #12336
2026-02-07 00:24:30 +00:00

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import Std
set_option cbv.warning false
def test : ((Std.TreeSet.empty : Std.TreeSet Nat).insertMany [1]).toList = [1] := by
conv => lhs; cbv