in adjectives corresponding chiefly to nouns ending in -logy (such as pharmacological corresponding to pharmacology)
not derived from or according to the rules of logic or formal argument (less forceful in meaning than illogical)
the abstract form in which an argument or proposition may be expressed in logical terms, as distinct from its particular content
the theory that all propositions can be analysed into simple independent elements of meaning corresponding to elements making up facts about the world. It formed part of the early thought of Wittgenstein and Bertrand Russell
that state of things which obliges something to be as it is because no alternative is logically possible
an operation of the kind used in logic, e.g. conjunction or negation
a programming-language symbol that denotes a logical operation
a form of positivism, developed by members of the Vienna Circle, which considers that the only meaningful philosophical problems are those which can be solved by logical analysis
the branch of linguistics and logic concerned with meaning. The two main areas are logical semantics, concerned with matters such as sense and reference and presupposition and implication, and lexical semantics, concerned with the analysis of word meanings and relations between them
the branch of linguistics and logic concerned with meaning. The two main areas are logical semantics, concerned with matters such as sense and reference and presupposition and implication, and lexical semantics, concerned with the analysis of word meanings and relations between them