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Properties98
Need help with properties definitions? This can help!
Question | Answer |
---|---|
a=a | reflexive |
if a=b then b=a | symmetric |
if a=b and b=c then a=c | transitive |
if a=b, then b can be replaced by a remeber - "substitute teacher" | substitution |
a(b+c)=ab+ac a(b-c)=ab-ac | distributive |
(a+b)+c = a+(b+c) (ab)c=a(bc) | associative |
a+b = b+a ab=ba | commutative |