b9e888df4e
This PR adds a missing `Nat.cast` missing normalization rule for `grind`. Example: ```lean example (n : Nat) : Nat.cast n = n := by grind ```
13 lines
456 B
Text
13 lines
456 B
Text
module
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example (x : Nat) : x ≥ (0 : Int) := by grind
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example (x : Nat) : Int.ofNat x ≥ (0 : Int) := by grind
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example (x : Nat) : NatCast.natCast x ≥ 0 := by grind
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example (x : Nat) : x ≥ (-1 : Int) := by grind
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example (x : Nat) : Int.ofNat x ≥ (-1 : Int) := by grind
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example (x : Nat) : NatCast.natCast x ≥ -1 := by grind
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example (n : Nat) : Nat.cast n = n := by
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grind
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example (n m a : Nat) : n = m → Nat.cast n - a = m - a := by
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grind
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