What are inference rules?

Some articles on inference rules, rules, inference rule, rule:

Natural Deduction - Introduction and Elimination
... Inference rules that introduce a logical connective in the conclusion are known as introduction rules ... As an inference rule It must be understood that in such rules the objects are propositions ... That is, the above rule is really an abbreviation for In this form, the first premise can be satisfied by the formation rule, giving the first two ...
Metamath - A Generic Proof Checker
... Metamath has no specific logic embedded and can simply be regarded as a device to apply inference rules to formulas ... the language of Metamath, employed to state the definitions, axioms, inference rules and theorems is only composed of a handful of keywords, and all the ... has a very generic concept of what a proof is (namely a tree of formulas connected by inference rules) and no specific logic is embedded in the software, Metamath can be used with ...
Categorial Grammar
... called categories) to each basic symbol, and some type inference rules, which determine how the type of a string of symbols follows from the types of the constituent symbols ... It has the advantage that the type inference rules can be fixed once and for all, so that the specification of a particular language grammar is entirely ... arguments and reduce them according to the two inference rules and Categorial grammars of this form (having only function application rules) are equivalent in generative capacity to context-free grammars and are thus ...

Famous quotes containing the words rules and/or inference:

    There is all the difference in the world between departure from recognised rules by one who has learned to obey them, and neglect of them through want of training or want of skill or want of understanding. Before you can be eccentric you must know where the circle is.
    Ellen Terry (1847–1928)

    The inference is, that God has restated the superiority of the West. God always does like that when a thousand white people surround one dark one. Dark people are always “bad” when they do not admit the Divine Plan like that. A certain Javanese man who sticks up for Indonesian Independence is very lowdown by the papers, and suspected of being a Japanese puppet.
    Zora Neale Hurston (1891–1960)