{\displaystyle Q(a)\lor P(b)} is a ground formula. A ground expression is a ground term or ground formula. Consider the following expressions in first order logic over...

In mathematics, an expression is a written arrangement of symbols following the context-dependent, syntactic conventions of mathematical notation. Symbols...

referring expressions. For example, in a sentence such as "He entered John's house through the front door", "the front door" is a referring expression and the...

Whiffenpoof Song and The Whiffenpoofs. Philosophy portal Ground expression Well-defined expression Formal language Glossary of logic WFF 'N Proof Formulas...

considered a sentence. Such a formula may be called a predicate instead. Ground expression Open formula Statement (logic) Proposition Edgar Morscher, "Logical...

of retaliation, censorship, or legal sanction. The right to freedom of expression has been recognised as a human right in the Universal Declaration of Human...

regular grammars are commonly expressed using regular expressions, some forms of regular expression used in practice do not strictly generate the regular...

words are grouped into expressions, whereas rules and constraints may be formulated for the creation of 'well-formed expressions'. In computer science...

finite set, but is not otherwise restricted. When using automata, regular expressions, or formal grammars as part of string-processing algorithms, the alphabet...

precisely, a propositional variable is not an atomic formula but a formal expression that denotes an atomic formula. For predicate logic, the atoms are predicate...