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Given these values for the boolean variables x, y, and z:
x = true
y = false
z = true
Why does the following logical expression evaluate to true?
(x || !y) && (!x || z)
Substitute in the values of
x,y, andz:Flip the negated values:
Replace the ORed statements (if one side is true, the whole statement is true):
Replace the ANDed statement (if both sides are true, the whole statement is true):