Tagged Questions
4
votes
2answers
352 views
Why abbreviation for “Definition” as “Def^n” (math context)
I've seen in math and physics lectures delivered in English, that people use to abreviate the commonly very used word "Definition" by "Def n"(Def superscript n). What's the meaning of this n? That is, ...
1
vote
1answer
186 views
Abbreviation or expression for ‘we will prove that’ [closed]
In German mathematics, the expression ‘Zu zeigen’ exists, which translates to ‘to show’. It is used at the beginning of proofs (or the answers to exercises) to state what exactly will be shown in the ...
18
votes
5answers
976 views
Is “iff” considered a real word or just an abbreviation?
I wonder if "iff" is considered a real word (as LEO says) or is it just an abbreviation (as in Wiktionary)?