1. A so-called immediate inference which consists in denying the original subject of the contradictory predicate; e.g.: Every S is P; therefore, no Not-P is S 
2. A placing over against; opposite position

Derived forms: contrapositions

Encyclopedia: Contraposition

• diaphyseal
• diaphysial
• diaphysis
• diapir
• diapsid
• diapsid reptile
• Diapsida
• diarchy
• diarist
• diarrhea
• diarrheal
• diarrheic
• diarrhetic
• diarrhoea
• diarrhoeal
• diarrhoeic
• diarrhoetic
• diarthrosis
• diary
• diary keeper
• Dias
• Diaspididae
• diaspora
• diaspore
• diastase