16 lines
497 B
Text
16 lines
497 B
Text
-- Tests for `grind` as a module normalization tactic, when only `NatModule`, `IntModule`, or `RatModule` is available.
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open Lean.Grind
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section NatModule
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variable (R : Type u) [NatModule R]
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example (a b : R) : a + b = b + a := by grind
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example (a : R) : a + 0 = a := by grind
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example (a : R) : 0 + a = a := by grind
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example (a b c : R) : a + b + c = a + (b + c) := by grind
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example (a : R) : 2 * a = a + a := by grind
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example (a b : R) : 2 * (b + c) = c + 2 * b + c := by grind
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end NatModule
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