27 lines
398 B
Text
27 lines
398 B
Text
section
|
|
universe variable u variable (A : Type u)
|
|
|
|
section
|
|
variables (a b : A)
|
|
variable (H : a = b)
|
|
|
|
definition tst₁ := a
|
|
|
|
check @tst₁
|
|
|
|
variable {A}
|
|
|
|
definition tst₂ := a
|
|
|
|
check @tst₂ -- A is implicit
|
|
|
|
lemma symm₂ : b = a := eq.symm H
|
|
|
|
check @symm₂
|
|
end
|
|
|
|
variable (a : A)
|
|
definition tst₃ := a
|
|
|
|
check @tst₃ -- A is explicit again
|
|
end
|