13 lines
399 B
Text
13 lines
399 B
Text
/--
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info: Try this: simp only [ha, Nat.reduceEqDiff, imp_self]
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-/
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#guard_msgs in
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theorem foo₁ (a : Nat) (ha : a = 37) :
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(match h : a with | 42 => by simp_all | n => n) = 37 := by
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simp? [ha]
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theorem foo₂ (a : Nat) (ha : a = 37) (hb : b = 37) :
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(match h : a with | 42 => by simp_all | n => n) = b := by
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simp only [ha, Nat.reduceEqDiff, imp_self]
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guard_target =ₛ 37 = b
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rw [hb]
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