it specifies the remaining " life" of the packet
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Its value is 1 when the statement is true and 0 otherwise.Its value is 1 when the statement is true and 0 otherwise.Its value is 1 when the statement is true and 0 otherwise.Its value is 1 when the statement is true and 0 otherwise.
true
True. The first statement is true and the second statement is false. In a disjunction, if either statement is true, the disjunction is true.
The LHS expression = RHS expression
by switching the truth values of the hypothesis and conclusion, it is called the contrapositive of the original statement. The contrapositive of a true conditional statement will also be true, while the contrapositive of a false conditional statement will also be false.