wff
/wɪf/
Word Rarity
Very rare
Frequency: Zipf frequency 1.56 in modern English
12
Scrabble Score
3
Letters
1
Syllables
2
Unique Chars
Meaning
noun
Alternative letter-case form of wff; well-formed formula.
noun
Example Sentences
- "which are of the form P(S) and hence we know that we can decide its truth value if we can decide the truth Value of all d-wff's of form P(S). But if it is of the form P(S ) then it is equivalent to P(T) where T is the dans of S. But by the principle of […]"
- "A grammatically correct expression is called a well-formed formula, or wff for short, which can be pronounced "woof." To decide whether an expression is a wff , we need to precisely define the syntax (or grammar) rules for the formation of wffs […]"
- "The set of well-formed formulas (wffs) is the smallest set satisfying the following conditions: • If p is an n-ary predicate symbol (an element of Pn) and t1 ,. .., tn are terms, p(t1 ,. ..,tn) is a wff. • If p is a wff and x is a variable, (∀x)p and (∃x)p are […]"