A ● B + C ● D In Standard English
A and B or C and D
_ _
A ● B + A ● B in Standard English
not A and not B or A and B
What does this symbol stand for ●?
Conjunction, AND
What does this symbol stand for +?
Disjunction, OR
What does this symbol stand for Ā?
Negation, NOT
What does this symbol stand for ⊕?
Exclusive Disjunction, XOR
What does this symbol stand for ↑?
Alternative Denial, NAND
What does this symbol stand for ↓?
Joint Denial, NOR