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Test 1
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Terms in this set (14)
Natural numbers
(N); 1, 2, 3, 4, ...
Whole numbers
(N u {0}); 0, 1, 2, 3, ...
Integers
(Z) ..., -6, -5, ..., 0, ..., 5, 6, ...
Rational numbers
(Q) p/q where p and q in (Z) and q not = 0
Irrational numbers
numbers not rational like pi and square root 2
Real numbers
rational and irrational numbers excluding imagionary
Imaginary numbers
a + bi where a and b in (R)
Commutative laws
a + b = b + a and a
b = b
a
Associative laws
(a + b) + c = a + (b + c) and (a
b)
c = a
(b
c)
Distributive laws
a + (b
c) = (a + b)
(a + c) and a
(b + c) = (a
b) + (a * c)
Identity laws
a + 0 = a and a * 1 = a
Complement laws
a + a' = 1 and a * a' = 0
tautology
always true
contradiction
always false
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