{\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...

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...

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

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

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

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...

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

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...

is what the language looks like (more formally: the set of possible expressions that are valid utterances in the language) the semantics are what the...