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swap = fun '(x, y) => (y, x)
: A * B -> B * A
fun '(x, y) => (y, x)
: A * B -> B * A
forall '(x, y), swap (x, y) = (y, x)
: Prop
proj_informative = fun '(exist _ x _) => x : A
: {x : A | P x} -> A
foo = fun '(Bar n b tt p) => if b then n + p else n - p
: Foo -> nat
baz =
fun '(Bar n1 _ tt p1) '(Bar _ _ tt _) => n1 + p1
: Foo -> Foo -> nat
swap =
fun (A B : Type) '(x, y) => (y, x)
: forall A B : Type, A * B -> B * A
Arguments A, B are implicit and maximally inserted
Argument scopes are [type_scope type_scope _]
fun (A B : Type) '(x, y) => swap (x, y) = (y, x)
: forall A B : Type, A * B -> Prop
forall (A B : Type) '(x, y), swap (x, y) = (y, x)
: Prop
exists '(x, y), swap (x, y) = (y, x)
: Prop
exists '(x, y) '(z, w), swap (x, y) = (z, w)
: Prop
λ '(x, y), (y, x)
: A * B → B * A
∀ '(x, y), swap (x, y) = (y, x)
: Prop
both_z =
fun pat : nat * nat =>
let '(n, p) as pat0 := pat return (F pat0) in (Z n, Z p) : F (n, p)
: forall pat : nat * nat, F pat
fun '(x, y) '(z, t) => swap (x, y) = (z, t)
: A * B -> B * A -> Prop
forall '(x, y) '(z, t), swap (x, y) = (z, t)
: Prop
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