Question Number 11419 by fadim727 last updated on 25/Mar/17

If A = {whole numbers} and   B={natural numbers}, then A△B=___.

Commented byFilupS last updated on 26/Mar/17

whole numbers = Z = {..., −2, −1, 0, 1, 2, ...}  natural numbers = N = {1, 2, ...}     A=Z, B=N  if  A△B  means  A∧B,  or  A∩B,  then:  A∩B=Z