lean4-htt/old_tests/tests/lean/run/section5.lean
2018-04-10 12:56:55 -07:00

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Text

section foo
parameter A : Type
variable a : A
definition foo := a
#check foo
class point :=
(x : A) (y : A)
end foo
#check foo
attribute [instance]
definition point_nat : point nat :=
point.mk nat.zero nat.zero
#print classes
#check point