lean2/tests/lean/run/class3.lean
Leonardo de Moura b9d08ff28c feat(frontends/lean/builtin_cmds): allow many namespaces in the same 'using' command
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-07 14:53:06 -07:00

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import standard
using num pair
section
parameter {A : Type}
parameter {B : Type}
parameter Ha : inhabited A
parameter Hb : inhabited B
-- The section mechanism only includes parameters that are explicitly cited.
-- So, we use the 'including' expression to make explicit we want to use
-- Ha and Hb
theorem tst : inhabited (Bool × A × B)
:= including Ha Hb, _
end
(*
print(get_env():find("tst"):value())
*)