@affiliate@lemmy.world to 196@lemmy.blahaj.zone • 1 year agoaddition rulelemmy.worldimagemessage-square10fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1imageaddition rulelemmy.world@affiliate@lemmy.world to 196@lemmy.blahaj.zone • 1 year agomessage-square10fedilink
minus-square@affiliate@lemmy.worldOPlinkfedilink2•1 year ago× is the cartesian product and = {x, {x,y}} is the ordered pair of x and y. (i.e., if x is in X and y is in Y, then is the corresponding element of the cartesian product X × Y). hope this helps
OP, I need the definition for × and <,> too
× is the cartesian product and = {x, {x,y}} is the ordered pair of x and y. (i.e., if x is in X and y is in Y, then is the corresponding element of the cartesian product X × Y). hope this helps