# User contributions

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- 12:29, 31 March 2012 (diff | hist) . . (0) . . N Science talk:Math Exam Resources/Courses/MATH220/December 2010 (Talk page autocreated when first thread was posted) (current)
- 12:29, 31 March 2012 (diff | hist) . . (+155) . . Nm Thread:Science talk:Math Exam Resources/Courses/MATH220/December 2010/Splitting up of questions (New thread: Splitting up of questions) (current)
- 12:26, 31 March 2012 (diff | hist) . . (+154) . . m Science:MER/Courses/MATH220 (→Goals)
- 12:23, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 03 (c) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:23, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 03 (b) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:22, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 03 (a) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:22, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 02 (b) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:22, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 02 (a) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:21, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 01 (f) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:21, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 01 (e) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:21, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 01 (d) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:21, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 01 (c) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:20, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 01 (b) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:20, 31 March 2012 (diff | hist) . .
**(+718)** . . N Science:Math Exam Resources/Courses/MATH220/December 2010/Question 01 (a) (Created page with "<!-- FLAGS SUMMARY --> <!-- first letter is for status: C=content to add, R=to review, QB=reviewed as bad quality, QG = reviewed as good quality --> <!-- second letter is for ...") - 12:17, 31 March 2012 (diff | hist) . . (+2) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 06 (b) (Reviewed.)
- 12:17, 31 March 2012 (diff | hist) . . (+1) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 06 (b)/Solution 1
- 12:14, 31 March 2012 (diff | hist) . . (-32) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 06 (b)/Statement
- 12:12, 31 March 2012 (diff | hist) . . (+2) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 05 (b) (Reviewed.)
- 12:12, 31 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 05 (b)/Solution 1
- 12:11, 31 March 2012 (diff | hist) . . (+9) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 05 (b)/Solution 1
- 12:08, 31 March 2012 (diff | hist) . . (+1) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 05 (a) (Reviewed.)
- 12:08, 31 March 2012 (diff | hist) . . (+129) . . Science:Math Exam Resources/Courses/MATH220/December 2011/Question 05 (a)/Solution 1
- 11:30, 30 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 04 (Asking for review)
- 11:29, 30 March 2012 (diff | hist) . .
**(+1,120)** . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 04/Solution 1 (Created page with "We want to show that <math>f(C \cap D) \subseteq f(C) \cap f(D)</math> and that <math>f(C) \cap f(D) \subseteq f(C \cap D)</math>. Let us start with the first. Suppose that <...") - 11:22, 30 March 2012 (diff | hist) . . (+147) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 04/Hint 1 (Created page with "Remember that to show that two sets <math>X, Y</math> are equal, you must show that <math>X \subseteq Y</math> and that <math>Y \subseteq X</math>.")
- 11:21, 30 March 2012 (diff | hist) . . (+257) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 04/Statement (Created page with "Let <math>f : A \to B</math> be a function. If <math>C \subseteq A</math>, define :<math>f(C) = \{f(x) : x \in C\}</math> Prove that if <math>f</math> is injective, then <ma...")
- 11:18, 30 March 2012 (diff | hist) . . (+3) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 07 (a) (Reviewed)
- 11:17, 30 March 2012 (diff | hist) . . (+21) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 07 (a)/Solution 1
- 11:16, 30 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (b) (Asking for review)
- 11:16, 30 March 2012 (diff | hist) . . (+386) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (b)/Solution 1 (Created page with "# The statement <math>P(3) \implies Q(4)</math> is "3 is divisible by 4 implies that 17 is divisible by 3". # The converse is <math>Q(4) \implies P(3)</math>; hence in words ...")
- 11:12, 30 March 2012 (diff | hist) . . (+101) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (b)/Hint 2 (Created page with "The contrapositive of the statement <math>A \implies B</math> is <math>\neg B \implies \neg A</math>.")
- 11:11, 30 March 2012 (diff | hist) . . (+85) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (b)/Hint 1 (Created page with "The converse of the statement <math>A \implies B</math> is <math>B \implies A</math>.")
- 11:10, 30 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (b) (Asking for review)
- 11:09, 30 March 2012 (diff | hist) . . (+458) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (b)/Solution 1 (Created page with "The set <math>X</math> is the ''intersection'' of all of the sets <math>S_\alpha</math>; that is, <math>X</math> is the set of all <math>x</math> such that, for all <math>\alp...")
- 11:05, 30 March 2012 (diff | hist) . . (+3) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 03 (Reviewed)
- 11:04, 30 March 2012 (diff | hist) . . (+11) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 03/Solution 1
- 10:25, 30 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (e) (Asking for review)
- 10:24, 30 March 2012 (diff | hist) . .
**(+706)** . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (e)/Solution 1 (Created page with "A function <math>f</math> has an inverse if and only if it is ''bijective''. That is, it has an inverse if and only if it is # Injective (or one-to-one) # Surjective (or onto...") - 10:18, 30 March 2012 (diff | hist) . . (+2) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 08 (Reviewed)
- 10:17, 30 March 2012 (diff | hist) . . (+1) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 08 (Reviewed)
- 19:16, 27 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (d) (asking for review)
- 19:16, 27 March 2012 (diff | hist) . . (+443) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (d)/Solution 1 (Created page with "Since the composition <math>\alpha \circ \beta</math> is given by doing <math>\beta</math> first and then <math>\alpha</math>, we must have that :<math>\begin{align} 1 \mapst...")
- 19:12, 27 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (a) (asking for review)
- 19:12, 27 March 2012 (diff | hist) . . (+165) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (a)/Solution 1 (Created page with "De Morgan's laws are, for sets <math>X, Y \subseteq Z</math> the following. :<math>(X \cup Y)^c = X^c \cap Y^c</math> and :<math>(X \cap Y^c = X^c \cup Y^c</math>")
- 19:10, 27 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (a) (asking for review)
- 19:10, 27 March 2012 (diff | hist) . . (+346) . . N Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (a)/Solution 1 (Created page with "We note that <math>P(4)</math> is the statement "4 is divisible by 4", which is true. We also note that <math>Q(4)</math> is the statement "17 is divisible by 3" which is fals...")
- 19:07, 27 March 2012 (diff | hist) . . (+1) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (f)/Solution 1
- 19:06, 27 March 2012 (diff | hist) . . (-103) . . Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (f)/Solution 1 (Fixed this so that it is about strong induction, not induction.)
- 18:39, 27 March 2012 (diff | hist) . . (+1) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 01 (c) (Reviewed.)
- 15:45, 27 March 2012 (diff | hist) . . (0) . . m Science:Math Exam Resources/Courses/MATH220/December 2011/Question 02 (b) (Asking for review)

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