Linked from
The 24 pages that link to Modus ponens, each with the reason it gives.
Classical logicRelated: It is a basic rule of classical proof systems.
Logical implicationRelated: It shows how an implication licenses a familiar deductive step.
Material conditionalRelated: It is a basic valid inference rule for the material conditional.
Deduction theoremRelated: Hilbert-system proofs commonly establish the theorem using this rule.