puzzling problem
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Problem of induction — The problem of induction is the philosophical question of whether inductive reasoning is valid. That is, what is the justification for either:# generalizing about the properties of a class of objects based on some number of observations of… … Wikipedia
puzzling — puz·zling || pÊŒzlɪŋ adj. perplexing, baffling; confusing, confounding; enigmatic, not easily understood puz·zle || pÊŒzl n. enigma, riddle; problem; game composed of differently shaped pieces which fit together to form a picture, jigsaw v.… … English contemporary dictionary
The Big Four (novel) — infobox Book | name = The Big Four title orig = translator = image caption = Dust jacket illustration of the first UK edition author = Agatha Christie cover artist = Not known country = United Kingdom language = English series = genre = Crime… … Wikipedia
e|nig|ma — «ih NIHG muh», noun. 1. a baffling or puzzling problem, situation, or person. »The mysteries of the universe are an enigma to man. 2. a puzzling statement; riddle: »The riddle of the Sphinx was a famous enigma that was solved by Oedipus. ╂[<… … Useful english dictionary
Japanese cryptology from the 1500s to Meiji — The cipher system that Uesugi used is basically a simple substitution usually known as a Polybius square or “checkerboard.” The i ro ha alphabet contains forty eight letters, so a seven by seven square is used, with one of the cells left blank.… … Wikipedia
enigma — I noun aenigma, ambages, ambiguous saying, arcanum, bewilderment, braintwister, complexity, confusing statement, confusion, difficulty, inexplicable statement, inscrutable person, knotty point, mystery, obscure question, obscure statement,… … Law dictionary
On the Origin of Species — Origin of Species redirects here. For other uses, see Origin of Species (disambiguation). On the Origin of Species … Wikipedia
conundrum — [16] Conundrum originally appeared in all manner of weird and wonderful guises – conimbrum, conuncrum, quonundrum, connunder, etc – before settling down to conundrum in the late 18th century. It bears all the marks of one of the rather heavy… … The Hutchinson dictionary of word origins
conundrum — [16] Conundrum originally appeared in all manner of weird and wonderful guises – conimbrum, conuncrum, quonundrum, connunder, etc – before settling down to conundrum in the late 18th century. It bears all the marks of one of the rather heavy… … Word origins
teaser — [tē′zər] n. 1. a person or thing that teases 2. an annoying or puzzling problem … English World dictionary
