Without stopping; without a break, cessation, or interruption.
Expressing an ongoing action or state.
Not deviating or varying from uniformity; not interrupted; not joined or articulated.
Such that, for every x in the domain, for each small open interval D about f(x), there's an interval containing x whose image is in D.
Without intervening space; continued.
Such that each open set in the target space has an open preimage (in the domain space, with respect to the given function).
Without end, eternal.
Lasting for an indefinitely long time.
A card whose effects persist beyond the turn on which it is played.
A chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.
Given an n⨯n matrix a_ij,, the sum over all permutations 𝜋, of ∏ᵢ₌₁ⁿa_i𝜋(i).