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Rfv-sense: math senses "injection", "bijection", "bijective". I'm only familiar with this as an adjective meaning "injective", except that the phrase (in) one-to-one correspondence means "(having a) bijection". —RuakhTALK 13:05, 14 June 2011 (UTC)
- ...which latter is already covered by the other (not nominated) adjective sense "Matching each member of one set with a member of another set".—msh210℠ (talk) 15:20, 14 June 2011 (UTC)
- Yes, the "matching" covers both. I think both this entry and the American version one-on-one would benefit form a single mathematical definition covering both interpretations. Do you really want some citations from text books? I would question the assumption implied in our first definition that the relationship should necessary be "especially sexual". I think we should phrase it so that it depends on context.Dbfirs 10:34, 25 September 2011 (UTC)