connotation; conscience; consciousness; consequent; consistency; constant; continence - incontinence; contradictories; contraposition; contraries; converse accident; conversion; Conway Anne Finch; Copernicus Nicolas; Cordemoy; corpuscularianism; cosmological arguments; counterfactual; courage; Crescas Hasdai ben Abraham; criterion; critical theory; Croce Benedetto; Cudworth Ralph; Cumberland Richard; Cusa Nicolas of;