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Math test #1
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Terms in this set (24)
collection of objects:
set
three dots placed in a set to show that the set continues in the same manner
ellipsis
three ways a set can be written:
description, roster- form, set- builder notation
a set that contains no elements or the number of elements in the set is a natural number is called:
finite
a set that is not finite is called:
infinite set
two sets that contain the SAME ELEMENTS are called:
equal sets
two sets that contain the SAME NUMBER of elements:
equivalent sets
the number of elements in a set is called the:
cardinal number
the set that contains no elements is called
empty/ null set
a set that contains all the elements for any specific discussion, symbolized by U
universal set
Subset
2^x
Conjunction
And (^)
Disjunction
Or (v)
Law of detachment (q)
Premise 1: P ---> Q
Premise 2: P
Law of contrapositive (~p)
Premise 1:P ---> Q
Premise 2: ~Q
Contrapositive: ~Q---> ~P
Law of disjunction (q)
Premise 1: P v Q
Premise 2: ~P
Law of syllogism (p ---> r)
Premise 1: P ---> Q
Premise 2: Q ---> R
Truth tables m: P
TTFF
Truth tables: Q
TFTF
Truth tables: p ^ q (conjunction) (and)
TFFF (only true when both letters are true)
p v q (disjunction) (or)
TTTF (only false when both letters are false)
p ---> q (if p then q)
TFTT
Truth tables: ~p
FFTT
Truth tables: ~q
FTFT
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