lean2/tests/lean/run/uni_issue1.lean
Leonardo de Moura 9a13bef4f3 fix(frontends/lean): fix (and simplify) parameter universe inference
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-06 16:56:54 -07:00

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import standard
inductive nat : Type :=
| zero : nat
| succ : nat → nat
definition is_zero (n : nat)
:= nat_rec true (λ n r, false) n