# Satisfy

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**Boolean algebra (introduction)**— Boolean algebra, developed in 1854 by George Boole in his book An Investigation of the Laws of Thought , is a variant of ordinary algebra as taught in high school. Boolean algebra differs from ordinary algebra in three ways: in the values that… …92

**Dehn function**— In the mathematical subject of geometric group theory, a Dehn function, named after Max Dehn, is an optimal function associated to a finite group presentation which bounds the area of a relation in that group (that is a freely reduced word in the …93

**Lagrange multiplier**— Figure 1: Find x and y to maximize f(x,y) subject to a constraint (shown in red) g(x,y) = c …94

**Neutrino theory of light**— The neutrino theory of light is the proposal that the photon is a composite particle formed of a neutrino antineutrino pair. It is based on the idea that emission and absorption of a photon corresponds to the creation and annihilation of a… …95

**Emscherkunst.2010**— Die Emscherinsel bei Oberhausen …96

**appease**— I (New American Roget s College Thesaurus) v. t. mollify, pacify, soothe, placate; satisfy, slake. See pacification, moderation, sufficiency.Ant., antagonize, enrage. II (Roget s IV) v. 1. [To satisfy] Syn. allay, relieve, satisfy, assuage; see… …97

**fulfill**— I (New American Roget s College Thesaurus) v. t. satisfy, realize, gratify; execute, discharge; effect, carry out. See completion. II (Roget s IV) v. 1. [To carry out] Syn. accomplish, effect, live up to; see achieve 1 , perform 1 . 2. [To… …98

**live up to**— verb meet the requirements or expectations of (Freq. 5) • Syn: ↑satisfy, ↑fulfill, ↑fulfil • Ant: ↑fall short of (for: ↑satisfy) …99

**Axiom of regularity**— In mathematics, the axiom of regularity (also known as the axiom of foundation) is one of the axioms of Zermelo Fraenkel set theory and was introduced by harvtxt|von Neumann|1925. In first order logic the axiom reads::forall A (exists B (B in A)… …100

**Voting system**— For other uses, see Voting system (disambiguation). Part of the Politics series Electoral methods …