substitution rule
21free substitution — noun A rule in some sports that allows players to enter and leave the game for other players many times during the course of the game; and for coaches to bring in and take out players an unlimited number of times …
22First-order logic — is a formal logical system used in mathematics, philosophy, linguistics, and computer science. It goes by many names, including: first order predicate calculus, the lower predicate calculus, quantification theory, and predicate logic (a less… …
23Comparison of cricket and baseball — Cricket and baseball are the best known members of a family of related bat and ball games. While many of their rules, terminology, and strategies are similar, there are many differences some subtle, some major between the two games. Other present …
24Francis J. McCormick — McCormick pictured in The Hinakaga 1951, Carroll yearbook Sport(s) Football, basketball Biographical details …
25Determinant — This article is about determinants in mathematics. For determinants in epidemiology, see Risk factor. In linear algebra, the determinant is a value associated with a square matrix. It can be computed from the entries of the matrix by a specific… …
26List of calculus topics — This is a list of calculus topics.Note: the ordering of topics in sections is a suggestion to students.Before calculus (precalculus)*Graph of a function *Linear function *Secant *Slope *Tangent *Concavity *Finite difference *Radian *Factorial… …
27Post canonical system — A Post canonical system, as created by Emil Post, is a string manipulation system that starts with finitely many strings and repeatedly transforms them by applying a finite set of specified rules of a certain form, thus generating a formal… …
28BKL singularity — A BKL (Belinsky Khalatnikov Lifshitz) singularityHarvnb|Belinsky|Khalatnikov|Lifshitz|1970] is a model of the dynamic evolution of the Universe near the initial singularity, described by a non symmetric, chaotic, vacuum solution to Einstein s… …
29Tautology (logic) — In propositional logic, a tautology (from the Greek word ταυτολογία) is a propositional formula that is true under any possible valuation (also called a truth assignment or an interpretation) of its propositional variables. For example, the… …
30Composition ring — In mathematics, a composition ring, introduced in (Adler 1962), is a commutative ring (R, 0, +, −, ·), possibly without an identity 1 (see non unital ring), together with an operation such that, for any three elements one has …
