(idiomatic) In any way at all; whatsoever.

In a battle or dispute, attacking the opposition first is better than waiting for them to attack.

(algebra, logic) The form of a Boolean formula expressed using only the operators and constants of a Boolean ring (XOR, AND, 0, 1), some variables and possibly also coefficients, and without using any parentheses.

(linear algebra) The form of a row-reduced matrix which is in row echelon form.

(logic) Conjunctive normal form with the additional property that all of the terms of the product contain the same literals, so that the terms differ from each other only in their patterns of complementation (of their literals).

(logic) Disjunctive normal form with the additional property that all of the terms of the sum contain the same literals, so that the terms differ from each other only in their patterns of complementation (of their literals).

Alternative spelling of attack is the best form of defence

Epioblasma arcaeformis, an extinct species of freshwater mussel.

Alternative form of in any way, shape, or form

plural of reduced row echelon form