How Do You Calculate Well Formed Formula?
How Do You Calculate Well Formed Formula? Any capital letter by itself is a WFF. Any WFF can be prefixed with “~”. (The result will be a WFF too.) Any two WFFs can be put together with “•”, “∨”, “⊃”, or “≡” between them, enclosing the result in parentheses. (This will be a WFF too.)