lean2/tests/lean/run/class3.lean
Leonardo de Moura d30f387e72 feat(library/standard): add namespace 'pair'
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-07 14:48:19 -07:00

20 lines
No EOL
434 B
Text
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import standard
using num
using 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())
*)