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13 hours ago · However, for the rational numbers this supremum is not necessarily rational, so the same property does not hold on the restriction of the relation to the rational numbers. A binary relation over sets and is said to be contained in a relation over and , written , if is a subset of , that is, for all and , if , then .
13 hours ago · Equality is a binary relation (i.e., a two-argument predicate) which may produce a truth value (false or true) from its arguments. In computer programming , its computation from the two expressions is known as comparison .
13 hours ago · Every rational number has an irrationality measure of exactly 1. Examples include 1, 2 and 0.5 Irrational algebraic number: 2 Infinite continued fraction. Periodic if quadratic irrational. By the Thue–Siegel–Roth theorem the irrationality measure of any irrational algebraic number is exactly 2.
13 hours ago · In contrast to the case of binary black hole mergers, binary neutron star mergers were expected to yield an electromagnetic counterpart, that is, a light signal associated with the event. A gamma-ray burst ( GRB 170817A ) was detected by the Fermi Gamma-ray Space Telescope , occurring 1.7 seconds after the gravitational wave transient.
13 hours ago · Each enzyme is described by "EC" followed by a sequence of four numbers which represent the hierarchy of enzymatic activity (from very general to very specific). That is, the first number broadly classifies the enzyme based on its mechanism while the other digits add more and more specificity. The top-level classification is:
