turnstile

turnstile englannista suomeksi

1. kääntöportti, pyöröovi

0. Substantiivi

1. kääntöportti

turnstile englanniksi

1. A rotating mechanical device that controls and counts passage between public areas, especially one that only allows passage after a charge has been paid.

2. (quote-journal)

3. A similar device in a footpath to allow people through one at a time while preventing the passage of cattle.

4. The \vdash symbol used to represent (w) (deducibility relation), especially of the syntactic type; i.e., syntactic consequence. (Such symbol can be read as "prove(s)" (cite-web ) or "give(s)". Kleene, Stephen Cole. ''Mathematical Logic''. Mineola, New York: Dover Publications, 2002. Ch. VI, §48, p. 286.)