English
The trans operation defines a new HomotopyWith f0 f2 P from F : HomotopyWith f0 f1 P and G : HomotopyWith f1 f2 P.
Русский
Операция trans задаёт новую HomotopyWith f0 f2 P из F и G.
LaTeX
$$$F.trans G : HomotopyWith f_0 f_2 P$$$
Lean4
/-- Given continuous maps `f₀` and `f₁`, we say `f₀` and `f₁` are homotopic with respect to the
predicate `P` if there exists a `HomotopyWith f₀ f₁ P`.
-/
def HomotopicWith (f₀ f₁ : C(X, Y)) (P : C(X, Y) → Prop) : Prop :=
Nonempty (HomotopyWith f₀ f₁ P)