lean2/tests/lean/run/over2.lean
Leonardo de Moura e51c4ad2e9 feat(frontends/lean): rename 'using' command to 'open'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-09-03 16:00:38 -07:00

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import data.nat
open nat
namespace N1
definition foo (a : nat) := a
end N1
namespace N2
definition foo (a : nat) := a
end N2
open N1 N2
definition boo := foo