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** 94. plutonium, Pu, named after the dwarf planet Pluto, following the same naming rule as it follows neptunium and Pluto follows Neptune in the pre-2006 planetary sequence ( 1940 ).
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** and 94
** French General René Cogny and 94 others die in an Air France Caravelle jetliner crash near Nice in the Mediterranean.
** A level crossing collision between a train loaded with children and a tanker-truck near Magdeburg, East Germany kills 94 people, mostly children.
** Flint-Worcester tornado outbreak sequence: A tornado spawned from the same storm system as the Flint tornado hits in Worcester, Massachusetts, killing 94.
** The vertical deflection system operates the same way as the horizontal, though at a much lower frequency ( 59. 94 Hz on NTSC, 50 Hz for PAL and SECAM ).
** Runners – up ( 13 ): 1910 – 11 ; 1936 – 37 ; 1955 – 56 ; 1970 – 71 ; 1971 – 72 ; 1977 – 78 ; 1980 – 81 ; 1981 – 82 ; 1988 – 89 ; 1989 – 90 ; 1990 – 91 ; 1992 – 93 ; 1993 – 94
** and .
** Eunectes murinus, the green anaconda, the largest species, is found east of the Andes in Colombia, Venezuela, the Guianas, Ecuador, Peru, Bolivia, Brazil and on the island of Trinidad.
** Eunectes notaeus, the yellow anaconda, a smaller species, is found in eastern Bolivia, southern Brazil, Paraguay and northeastern Argentina.
** Eunectes deschauenseei, the dark-spotted anaconda, is a rare species found in northeastern Brazil and coastal French Guiana.
** Eunectes beniensis, the Bolivian anaconda, the most recently defined species, is found in the Departments of Beni and Pando in Bolivia.
** Tarski's theorem: For every infinite set A, there is a bijective map between the sets A and A × A.
** Trichotomy: If two sets are given, then either they have the same cardinality, or one has a smaller cardinality than the other.
** König's theorem: Colloquially, the sum of a sequence of cardinals is strictly less than the product of a sequence of larger cardinals.
** Zorn's lemma: Every non-empty partially ordered set in which every chain ( i. e. totally ordered subset ) has an upper bound contains at least one maximal element.
** Hausdorff maximal principle: In any partially ordered set, every totally ordered subset is contained in a maximal totally ordered subset.
** Tukey's lemma: Every non-empty collection of finite character has a maximal element with respect to inclusion.
** In the product topology, the closure of a product of subsets is equal to the product of the closures.
** If S is a set of sentences of first-order logic and B is a consistent subset of S, then B is included in a set that is maximal among consistent subsets of S. The special case where S is the set of all first-order sentences in a given signature is weaker, equivalent to the Boolean prime ideal theorem ; see the section " Weaker forms " below.
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