1. The modal logic of necessity and possibility and contingency

Type of: modal logic

• infrared therapy
• infrasonic
• infrasound
• infrastructure
• infrequency
• infrequent
• infrequently
• infrigidation
• infringe
• infringement
• infringement of copyright
• infructescence
• infundibuliform
• infundibulum
• infuriate
• infuriated
• infuriating
• infuriatingly
• infuriation
• infuscate
• infuse
• infuser
• infusible
• infusion
• Infusoria