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What is 1 + 3?
a logical statement with a hypothesis and conclusion
switch the hypothesis and the conclusion
negate the hypothesis and the conclusion
negate the hypothesis and conclusion in your converse statemnt
if p then q, and q then p; the the statement is biconditional
if a=b then a+c=b+c
if a=b, then a-c=b-c
if a=b, then ac=bc
if a=b, then c doesn't =0, then a/c=b/c
for any real number a, a=a
if a=b, then b=a
if a=b and b=c then a=c
if a=b, then a can be substituted for b in any equation or expression