Mathematics
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123
  • Member for 8 years, 1 month
  • Last seen more than 1 year ago
  • Boston, MA, United States
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question
35
Is $[p \land (p \to q)] \to q$ a tautology?
Jan 13, 2016
question
3
Find a False Counterexample for : "$\forall$ $A, B$ and $C$, we have $A \cap (B - C) = (A \cap B) - (A \cap C)$"
Jan 28, 2016
question
3
What is $25^k$ + $5^k$ [closed]
Feb 5, 2016
question
3
Simplify $(k +1)! > (k + 1)^2$ to prove true for $k ≥ 4$
Feb 5, 2016
question
2
Is this a valid proof of "a, b are rational, b ≠ 0, r is irrational, then a + br is irrational"
Jan 19, 2016
question
2
Is this a valid proof of "For all integers m and n, if mn is even, then m is even, or n is even"?
Jan 19, 2016
question
2
If $B= \{1, 2\}$ and $C = \{\{1,2\}\}$ what is $B \times C$?
Feb 1, 2016
question
2
Prove for all integers n such that n ≥ 3, $ 4^3 + 4^4 + 4^5 … 4^n = \frac{4(4^n - 16)}{3}$
Feb 4, 2016
question
2
Can I further simplify $5^k \cdot 5 + 9 < 6^k \cdot 6$ to prove this is true
Feb 5, 2016
question
2
Simple expression for $\sum_{k=1}^{n-1}\:\frac{1}{k\left(k+1\right)}$
Feb 8, 2016
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Qt Creator - Project ERROR: Xcode not set up properly. You may need to confirm the license agreement by running /usr/bin/xcodebuild
160
what is the basic difference between stack and queue?
123
Qt Creator - Project ERROR: Xcode not set up properly. You may need to confirm the license agreement by running /usr/bin/xcodebuild
27
Custom tag not loaded in template
12
What is the difference between a property and a variable in Swift?

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