754276a660
This commit also replaces the notation for divides
`(` a `|` b `)`
with
a `∣` b
The character `∣` is entered by typing \|
closes #516
5 lines
177 B
Text
5 lines
177 B
Text
import logic
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open tactic
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theorem T (a b c d : Prop) (Ha : a) (Hb : b) (Hc : c) (Hd : d) : a ∧ b ∧ c ∧ d
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:= by fixpoint (λ f, (apply @and.intro; f | assumption; f | id))
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