lean2/tests/lean/run/section1.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 logic
open tactic
section
set_option pp.universes true
set_option pp.implicit true
parameter {A : Type}
parameters {a b : A}
parameter H : a = b
parameters H1 H2 : b = a
check H1
check H
check H2
end