having at most one instruction of a interior condition
Having exactly foreseeable time advancement.
Having each condition rely only on the instantly earlier state, as opposed to having some says be determined by backtracking in which there may be multiple possible next actions with no way to select from them except by trying each one and backtracking upon failure.
of or with respect to determinism.
causally determined rather than subject to random chance.
an inevitable result of antecedent adequate reasons