Can you name the Discrete Mathematical Structures? by dcklingensmith

Hint	Answer
p ∧ T = p p ∨ F = p
p ∨ T = T p ∧ F = F
p ∨ p = p p ∧ p = p
¬(¬p) = p
p ∨ q = q ∨ p p ∧ q = q ∧ p
(p ∨ q) ∨ r = p ∨ (q ∨ r) (p ∧ q) ∧ r = p ∧ (q ∧ r)
p ∨ (q ∧ r) = (p ∨ q) ∧ (p ∨ r) p ∧ (q ∨ r) = (p ∧ q) ∨ (p ∧ r)
¬(p ∧ q) = ¬p ∨ ¬q ¬(p ∨ q) = ¬p ∧ ¬q
p ∨ (p ∧ q) = p p ∧ (p ∨ q) = p
p ∨ ¬p = T p ∧ ¬p = F
¬p ∨ q = p → q
Converse of: p → q
Inverse of: p → q
Contrapositive of: p → q
Table showing all posible combination of truth values
'AND, OR, NOT' are examples of ____
...Which are also called
↔, →, ¬ ∨, and ∧, are examples of ____

Hint	Answer
∀ is the
∀ is spoken
∃ is the
∃ is spoken
∈
∉
∧
∨
→
p ↔ q
U
{}
ø
{ø}
{1}
Number of elements in a set
\|A\|
'\|' A single pipe

Hint	Answer
A set is said to be infinite if ____
Set of all subsets
⊆
∪
∩
℘
Compound statement which is always true
Compound statement which is always false
Compound statement which is sometimes true
x:
Set of positive integers
Set of real numbers
Set of rational numbers
Set of natural numbers
Set of integers
Finite sets/sets with same cardinality as set of N

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Discrete Mathematical Structures Quiz

by dcklingensmith

Created Jan 25, 2012 in Science
Game Plays 13

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	zifyoip:	Jan 27th, 2012 at 05:03 GMT	2 points
	"Table 7, Line 1"? Really? I'm supposed to know that? "AND", "OR", and "NOT" are Boolean operators; I've never heard them called "Boolean searches". A singleton is any set that contains just a single element, so, for example, {∅} is a singleton, too. I've never seen "x:" used as an assignment operator. There is no standard notation for the set of positive integers (or, from another point of view, there are many standard notations for the set of positive integers).

	WyvernSabres:	Jan 27th, 2012 at 19:47 GMT	2 points
	Agree with zifyoip on pretty much everything: it's nearly an excellent quiz, but needs to accept a few more alternatives. For instance I tried "is an element of", "is a member of", and when they didn't work I tried just "element". Since the symbol and it's negative function like a verb, I think the English equivalent needs a verb too. Also I could be forgiven for assuming you wanted something a little more profound for the definition of infinite. But well done for trying something really different, which sent me back decades to when I used to study this stuff!