4 ms·
who writes 1U2 instead of {1,2} ? When would {1}U{2} ever appear in ant context except for the first day of Intro to Set Theory?
by alisonkisk 5y ago
who writes 1U2 instead of {1,2} ?
When would {1}U{2} ever appear in ant context except for the first day of Intro to Set Theory?
- jdmichal 5y agoI assume 1 and 2 are placeholders here... Not literally meant.