lean2/tests/lean/redundant_pattern.lean

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constants P : nat → Prop
constants R : nat → nat → Prop
constants f g : nat → nat
definition foo [forward] (m n k : nat) : P (f m) → P (g n) → P (f k) → P k ∧ R (g m) (f n) ∧ P (g m) ∧ P (f n) :=
sorry
print foo