ETYM Latin deductio: cf. French déduction.
In philosophy, a form of argument in which the conclusion necessarily follows from the premises. It would be inconsistent logic to accept the premises but deny the conclusion.
1. An amount or percentage deducted; SYN. discount.
2. Reasoning from the general to the particular (or from cause to effect); SYN. deductive reasoning, synthesis.
3. Something that is inferred (deduced or entailed or implied); SYN. entailment, implication.