Index - M
| match | Otter.Rule, Otter | 
| matchLinearCtxt | Zsyntax.Labelled.Rule.BipoleRelation, Zsyntax.Labelled.Rule | 
| matchMultiSet | Zsyntax.Labelled.Rule.BipoleRelation, Zsyntax.Labelled.Rule | 
| matchRel | Zsyntax.Labelled.Rule.BipoleRelation, Zsyntax.Labelled.Rule | 
| MatchRes | Zsyntax.Labelled.Rule.Interface, Zsyntax.Labelled.Rule | 
| matchSchema | Zsyntax.Labelled.Rule.BipoleRelation, Zsyntax.Labelled.Rule | 
| maybeBFormula | Zsyntax.Labelled.Formula | 
| maybeNeutral | Zsyntax.Formula, Zsyntax | 
| mayProperRule | Zsyntax.Labelled.Rule.Frontier, Zsyntax.Labelled.Rule | 
| maySequent | Zsyntax.Labelled.Rule.Frontier, Zsyntax.Labelled.Rule | 
| merge | Otter.Internal.Search | 
| mkGoal | Otter.Internal.Structures | 
| MREmptyGoal | Zsyntax.Labelled.Rule.Interface, Zsyntax.Labelled.Rule | 
| MRFullGoal | Zsyntax.Labelled.Rule.Interface, Zsyntax.Labelled.Rule | 
| msRespectsCS | Zsyntax.ReactionList |