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15 Cards in this Set
- Front
- Back
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a + b = b + a / ab = ba
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Communitive
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a + (b+c)=(a+b) + c
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Associative
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a(b+c)=ab+ac
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Distributive
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a(1)=a. a+0=a
a/1=a. a-0=a |
Identity
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Add a+(-a)=0
Mult a(1/a)=1 |
Inverse
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a(0)=0
a/0=0 |
Zero
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a+b ER
a-b. ER an. ER |
Closure
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If a=b and b=c then a=c
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Transitive
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x=x
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reflexive
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If a=b then b=a
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Symmetric
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If a+b=c and b=4 then a+4=c
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substitution
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If a=b then a+c= b+c
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Addition of =
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If a=b then a-b=b-c
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Subt. of =
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If a=b then ac=bc
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Mult. of =
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If a=b then a÷c=b÷c
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Div. of =
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