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In your instance \$x*y\$ is being defined to average the binary operation: \$x+y+xy\$. (Presumably so you deserve to solve some problem about such a binary operation.)

In another problem you could be told \$x*y\$ way something else. Or in basic we deserve to say "Let \$*\$ it is in a binary operation" and also we won"t know anything around what \$x*y\$ is; just that the is some binary operation.

In binary logic \$+\$ refers to OR and also \$cdot\$ describes AND.

You could also use alternating notation \$xlor ylor(xland y)\$ yet it is indistinguishable to basic \$xlor y\$ or \$x+y\$ in the origninal notation.

Assuming it is really a logical operation, I carry out not see the objective of defining \$*\$ if the is the exact same thing together \$+\$ or perhaps this is th epurpose the the practice to present they room the very same rules.

See more: How Many Inches Is 45 Centimeters To Inches, How To Convert 45 Cm To Inches

Anyway, I occasionally saw \$*\$ being offered for NAND i.e. \$lnot(xland y)\$ or \$(xy)"\$ in both notations.

But this is not the case here, are you specific about the an interpretation of \$x*y\$ ?

https://en.wikipedia.org/wiki/Logic_gate

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answered jan 7 "18 at 1:57

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