lean2/tests/lean/pp_bug.lean

variables p q : Prop
check ¬(p → q)
check ¬p → q
check (¬p) → q
check ¬(p → q)
check p ↔ q
check ¬(p ↔ q)
check ¬p ↔ q
check (¬p) ↔ q
check (p → q) ↔ q
check p → (q ↔ q)
fix(frontends/lean/pp): bug in pp arrow 2015-05-31 18:01:21 +00:00			`variables p q : Prop`
			`check ¬(p → q)`
			`check ¬p → q`
			`check (¬p) → q`
			`check ¬(p → q)`
			`check p ↔ q`
			`check ¬(p ↔ q)`
			`check ¬p ↔ q`
			`check (¬p) ↔ q`
			`check (p → q) ↔ q`
			`check p → (q ↔ q)`