determinacy

State of settledness

Determinacy is the quality of being fixed, definite, or precisely determined.

In philosophy and science, it describes systems where outcomes follow necessarily from prior conditions—the opposite of randomness or indeterminacy.

In mathematics and logic, determinacy refers to whether a game or problem has a definite winning strategy.

The determinacy of the physical world was a core assumption of classical physics.

certainty

assurance

Firm promise or certainty

reliability · conclusiveness · definiteness · unquestionability · undeniability · decidedness · settledness · finality · resolution · closure

precision

exactness

Correctness in every detail

calibration · refinement · meticulousness · nicety · granularity · definition · clarity · sharpness · rigor · strictness

mathematical

computability

Algorithmic solvability of problems

Turing · solvability · tractability · completeness · consistency · axiom · theorem · proof · well-defined

philosophical

causation

Production of effects

mechanism · free-will · Laplace · physicalism · reductionism

fixedness

stability

Resistance to displacement

permanence · unchangingness · steadfastness · rigidity · inflexibility · unalterability · irrevocability · entrenchment · anchorage · firmness

predictability

anticipation

State of awaiting something

reliability · pattern · lawfulness · orderliness · uniformity

Opposites
definiteness/fixedness

determinacyindeterminacy

Lack of fixed outcome

indeterminateness · indefiniteness · uncertainty · vagueness · ambiguity

causal/logical necessity

determinacyindeterminism

Doctrine allowing genuine randomness

randomness · contingency · chance · free will · unpredictability

boundedness/constraint

determinacyopen-endedness

Absence of fixed limits

unboundedness · indeterminacy · infinitude · limitlessness · inconclusiveness

Phrases
Family

determination, indeterminate, determinate, determinable, indeterminacy, determinative, predetermination, indeterminately, predeterminate

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