# Well Formed Formula Logic Basis for Logic Formula YouTube Lecture Handouts

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## Well Formed Formula Logic

### Basis for Logic Formula

Capital Letter

Prefix with

ββ’β , ββ¨β , βββ , or ββ‘β between Capital Letters

### Correct Logic Formula

A |

A by rule 1

A by rule 2, since A is a WFF

A by rule 2 again, since is a WFF

by rule 3, joining and B

by rule 3, joining

by rule 2, since is a WFF

### Incorrect Logic Formula

(A β’ B) β C) |

A ~the ~belongs on the left side of the negated proposition

(A) Parentheses are only introduced when joining two WFFs with β’, β¨ , , or β‘

thereΥs no WFF on the right side of the β’

(A β’ B) β C) missing parenthesis on the left side

cannot be formed by the rules of syntax

β Manishika