Conditional (if then) may refer to:
- Causal conditional, if X then Y, where X is a cause of Y
- Conditional probability, the probability of an event A given that another event B
- Conditional proof, in logic: a proof that asserts a conditional, and proves that the antecedent leads to the consequent
- Material conditional, in propositional calculus, or logical calculus in mathematics
- Relevance conditional, in relevance logic
- Conditional logic, referring to logics for studying natural-language conditional sentences (cf. below)
- Conditional (computer programming), a statement or expression in computer programming languages
- A conditional expression in computer programming languages such as ?:
- Conditions in a contract
Grammar and linguistics
- Conditional mood (or conditional tense), a verb form in many languages
- Conditional sentence, a sentence type used to refer to hypothetical situations and their consequences
- Indicative conditional, a conditional sentence expressing "if A then B" in a natural language
- Counterfactual conditional, a conditional sentence indicating what would be the case if its antecedent were true
Other
- "Conditional" (Laura Mvula song)
- Conditional jockey, an apprentice jockey in British or Irish National Hunt racing
- Conditional short-circuit current
- Conditional Value-at-Risk
See also
- Condition (disambiguation)
- Conditional statement (disambiguation)