(weaker)
41Acid — This article is about acids in chemistry. For the drug, see Lysergic acid diethylamide. For other uses, see Acid (disambiguation). Acidity redirects here. For the novelette, see Acidity (Novelette). Acids and Bases …
42Amber Diceless Roleplaying Game — infobox RPG title= Amber Diceless Roleplaying Game caption= Cover of the main Amber DRPG rulebook designer= Erick Wujcik publisher= Phage Press Guardians of Order date= 1991 genre= Fantasy system= Custom (direct comparison of statistics without… …
43Asymmetric warfare — originally referred to war between two or more belligerents whose relative military power differs significantly. Contemporary military thinkers tend to broaden this to include asymmetry of strategy or tactics; today asymmetric warfare can… …
44Chess endgame — In chess and chess like games, the endgame (or end game or ending) is the stage of the game when there are few pieces left on the board. The line between middlegame and endgame is often not clear, and may occur gradually or with the quick… …
45SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …
46Boolean prime ideal theorem — In mathematics, a prime ideal theorem guarantees the existence of certain types of subsets in a given abstract algebra. A common example is the Boolean prime ideal theorem, which states that ideals in a Boolean algebra can be extended to prime… …
47Reverse mathematics — is a program in mathematical logic that seeks to determine which axioms are required to prove theorems of mathematics. The method can briefly be described as going backwards from the theorems to the axioms. This contrasts with the ordinary… …
48Arimaa — Infobox Game title = Arimaa subtitle = image link = image caption = An Arimaa Elephant designer = Omar Syed illustrator = publisher = players = 2 ages = setup time = < 1 minute playing time = 15 minutes 2 hours complexity = Low strategy = High… …
49Tomb Kings — In Games Workshop s Warhammer Fantasy fictional universe, Tomb Kings is the name given to a series of kingdoms, and an army in the Warhammer Fantasy Battle game. Before the Tomb Kings were given their own army book, they were incorporated in the… …
50Balancing — or hard balancing, in realist theories of international relations, refers to a state joining a weaker coalition to counter the influence or power of a stronger coalition. The term is derived from balance of power. Balancing is opposed to the… …
