Conditional

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The term conditional is used in linguistics and logic to refer to related concepts about sentences of the form If X, then Y (ie. 'if-then'). Some uses of the term are found at:

• Causal conditional - If X then Y, where X is a cause of Y.
• Conditional mood - A verb form in many languages.
• Conditional sentence - "If-then" sentence
• Counterfactual conditional or subjunctive conditional - If it had been the case that X, then it would have been the case that Y.
• Indicative conditional - If-then statements in ordinary language.
• Material conditional - An operator introduced in critical thinking and logic. This is sometimes called the implies operator.
• Relevance conditional - The conditional used in relevance logic.
• Strict conditional - Captures necessary if-then statements.

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