lean4-htt/tests/lean/1258.lean
Leonardo de Moura 60d3255577 fix(library/type_context): issue #1258 again
This is yet another fix.
2016-12-22 10:51:16 -08:00

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constant P : list → list → Prop
lemma foo (xs : list ) : Π (ns : list ), P xs ns
| [] := sorry
| (n::ns) := begin cases xs, exact sorry, exact sorry end