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This will collect definitions from Std.Logic --------- Co-authored-by: David Thrane Christiansen <david@davidchristiansen.dk> Co-authored-by: Scott Morrison <scott.morrison@gmail.com>
7 lines
379 B
Text
7 lines
379 B
Text
example (p q r : Prop) : (p ∧ q ∧ r)
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= (r ∧ p ∧ q) :=
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by simp only [and_comm, and_left_comm, and_assoc]
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example (p q r : Prop) : ((let_fun x := p; x) ∧ (let_fun x := q; x) ∧ (let_fun x := r; x))
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= ((let_fun x := r; x) ∧ (let_fun x := p; x) ∧ (let_fun x := q; x)) :=
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by simp only [and_comm, and_left_comm, and_assoc]
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