Look up conditional in Wiktionary, the free dictionary.
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 (computer programming), a statement or expression in computer programming languages
- A conditional expression in computer programming languages such as ?:
- Conditions in a contract