acceptable hypothesis
21formal logic — the branch of logic concerned exclusively with the principles of deductive reasoning and with the form rather than the content of propositions. [1855 60] * * * Introduction the abstract study of propositions, statements, or assertively used …
22logic, history of — Introduction the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic There was a medieval tradition according to which the Greek philosopher …
23Evolution as fact and theory — Part of a series on Evolutionary Biology …
24Evolutionary origin of religions — Neolithic Potnia Theron type goddess, seated on a throne flanked by two lionesses, from Çatalhöyük. The evolutionary origin of religions theorizes about the emergence of religious behavior during the course of human evolution. Contents …
25Ufology — is a neologism coined to describe the collective efforts of those who study unidentified flying object reports and associated evidence. Not all ufologists believe that UFOs are necessarily extraterrestrial spacecraft, or even that they are… …
26Origin of language — The origin of language is the emergence of language in the human species. This is a highly controversial topic, empirical evidence being so limited that many regard it as unsuitable for serious scholars. In 1866, the Linguistic Society of Paris… …
27PENTATEUCH — This article is arranged according to the following outline: introduction definition outline contents and structure the primeval history the patriarchs the exodus Sinai/Horeb Covenant and Laws the journey Moses Farewell the authors doublets and… …
28Arthropod — Temporal range: 540–0 Ma …
29Charles Fort — For other uses of Charles Fort , see Charles Fort (disambiguation). Charles Fort Charles Fort in 1920. Born Charles Hoy Fort August 6, 1874(1874 08 06) …
30Gödel's incompleteness theorems — In mathematical logic, Gödel s incompleteness theorems, proved by Kurt Gödel in 1931, are two theorems stating inherent limitations of all but the most trivial formal systems for arithmetic of mathematical interest. The theorems are of… …
