| 释义 |
obverse /obˈvûrs or ob-vûrsˈ/ adjective- Turned towards one
- Complemental, constituting the opposite aspect of the same fact
- Having the base narrower than the apex (botany)
- Obtained by obversion (logic)
noun /obˈvûrs/ - The side of a coin bearing the head or principal symbol, often confused with reverse
- The face or side of anything normally presented to view
- A counterpart or opposite aspect
- A proposition obtained from another by obversion (logic)
ORIGIN: L obversus turned against or towards, from ob- against, towards, and vertere to turn obverseˈly adverb obverˈsion noun - The act of turning a thing towards one
- (also called permutation and equipollence) a species of immediate inference where the contradictory of the original predicate is predicated of the original subject, the quality of the proposition being changed, eg to infer from All A is B that No A is not B (logic)
obvertˈ transitive verb - To turn in the direction of, or face to face with, something
- To infer the obverse of (logic)
permutate /pûrˈmū-tāt/ or permute /pər-mūtˈ/ transitive verb- To interchange, transmute, change the order of
- To subject to permutation
ORIGIN: L permūtāre to change thoroughly, from pfx per-, and mūtāre to change permūtabilˈity noun permūtˈable adjective Interchangeable permutāˈtion noun - The arrangement of a set of things in every possible order (mathematics)
- Transmutation
- Any one possible order of arrangement of a given number of things taken from a given number
- Immediate inference by obversion (logic)
- (esp in football pools) a forecast of a specified number of results from a larger number of matches based on some defined system of combination or permutation (often shortened to perm)
- Any such system
- Barter (obsolete)
permutāˈtional adjective |