17.2.1999/H. V¨aliaho
Pronunciation of mathematical expressions
The pronunciations of the most common mathematical expressions are given in the list
below. In general, the shortest versions are preferred (unless greater precision is necessary).
1. Logic
∃there exists
∀for all
p⇒q p implies q/ if p, then q
p⇔q p if and only if q/pis equivalent to q/pand qare equivalent
2. Sets
x∈A x belongs to A/xis an element (or a member) of A
x /∈A x does not belong to A/xis not an element (or a member) of A
A⊂B A is contained in B/Ais a subset of B
A⊃B A contains B/Bis a subset of A
