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Plenty of Fish. Plenty of Fish ( POF) is a Canadian online dating service, popular primarily in Canada, the United Kingdom, the Republic of Ireland, Australia, New Zealand, Spain, Brazil, [2] and the United States. [3] It is available in nine languages. The company, which is based in Vancouver, British Columbia [4] generates revenue through ...
The shape of the islands in the background spells out 42, and there are 42 coloured balls. The 42 Puzzle is a game devised by Douglas Adams in 1994 for the United States series of The Hitchhiker's Guide to the Galaxy books. The puzzle is an illustration consisting of 42 multi-coloured balls, in 7 columns and 6 rows.
The fallacy of four terms is a syllogistic fallacy. Types of syllogism to which it applies include statistical syllogism, hypothetical syllogism, and categorical syllogism, all of which must have exactly three terms. Because it applies to the argument's form, as opposed to the argument's content, it is classified as a formal fallacy .
Mathematical fallacy. In mathematics, certain kinds of mistaken proof are often exhibited, and sometimes collected, as illustrations of a concept called mathematical fallacy. There is a distinction between a simple mistake and a mathematical fallacy in a proof, in that a mistake in a proof leads to an invalid proof while in the best-known ...
Shrink wrap, or Polyolefin shrink film. Plastic optical fiber, a type of optical fiber used in telecommunication solutions. Point of failure, an engineering term related to reliability studies. Proof of funds, a statement by a bank or financial institution. Pof, a rock-climbing term for a resin-based substance used to increase friction.
Satisfiability. In mathematical logic, a formula is satisfiable if it is true under some assignment of values to its variables. For example, the formula is satisfiable because it is true when and , while the formula is not satisfiable over the integers. The dual concept to satisfiability is validity; a formula is valid if every assignment of ...
In some instances the Number Unobtainable Tone may be used instead. This is a continuous, uninterrupted 400 Hz tone. The signal is used to indicate that the destination is unreachable, either because all circuits (trunks) are busy, the called number is out of service, the call is unroutable, or sometimes that an invalid code has been dialed.
The term "fish" describes any non- tetrapod chordate, (i.e., an animal with a backbone), that has gills throughout life and has limbs, if any, in the shape of fins. [8] Unlike groupings such as birds or mammals, fish are paraphyletic, since the tetrapod clade is within the clade of lobe-finned fishes.