English
The operator IccExtendCM extends a continuous map defined on Icc a b to Icc a c in a canonical way, by composing with the left inclusion map.
Русский
Оператор IccExtendCM последовательно расширяет непрерывное отображение на Icc a b до Icc a c через составление с вложением слева.
LaTeX
$$$\\text{IccExtendCM} : C(Icc a b, E) \\to C(Icc a c, E)$,\\; f \\mapsto f \\circ \\text{projIccCM}$$$
Lean4
/-- The extension operation from continuous maps on an interval to continuous maps on the whole
type, as a `ContinuousMap`. -/
def IccExtendCM : C(C(Icc a b, E), C(α, E))
where
toFun f := f.comp projIccCM
continuous_toFun := continuous_precomp projIccCM