PROPOSITIONAL CALCULUSpropositional calculus · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PROPOSITIONAL CALCULUSTier 1Ordinal271Pythagorean91Classical256Reverse296Reverse Reduction125Standard1270Final Large1270Ordinal244Reduced82Atbash589Isopsephy2172Ordinal300Abjad956