Linked from
The 37 pages that link to Rule of inference, each with the reason it gives.
Logical consequenceNarrower topic: Inference rules generate syntactic consequence step by step.
Sequent calculusNarrower topic: Each calculus step applies a rule to derive a new sequent.
Modus ponensNarrower topic: Modus ponens is one member of this broader family of proof rules.
Biconditional introductionNarrower topic: This rule is a specific instance of an inference rule.