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seen Oct 10 at 3:57

Oct
20
revised Tallest bubble tower induction proof
added 3 characters in body
Oct
20
revised Tallest bubble tower induction proof
maximum radii relationship proof
Apr
6
revised Find all values of $a$ such that $w = ai- \frac{a}{3}j$ is a unit vector
added 57 characters in body
Mar
12
revised How might one go about proving this poorly worded theorem about divisibility with the number 3?
added 35 characters in body
Feb
26
revised Can we have a matrix whose elements are other matrices as well as other things similar to sets?
added 310 characters in body
Feb
26
revised Is this a correct proof for this relation?
Edit, thanks Mohan
Feb
5
revised How does one select some $i$ to prove $\exists i$ s.t. $s_i \leq A$ where $A$ is the average of real numbers $(s_1 + s_2 + . . . + s_n) / n$
edited body
Jan
22
revised How would one prove this in predicate logic
markup changes
Jan
15
revised Is my answer correct to this homework involving sets?
fixed equation to intersection not union
Jan
15
revised Can you show why zero divided by zero does not equal zero?
changed question to discussion
Jan
14
revised Is it more practice and intuition or rather algorithmic to solve third degree polynomials of this type?
forgot to square second term first equation
Jan
11
revised How do I show that two sets are equal.
finished the proof (for real this time)?
Jan
11
revised How do I show that two sets are equal.
finished the proof
Jan
8
revised Fixed: Is this set empty? $ S = \{ x \in \mathbb{Z} \mid \sqrt{x} \in \mathbb{Q}, \sqrt{x} \notin \mathbb{Z}, x \notin \mathbb{P}$ }
changed question again
Jan
8
revised For every set A, the empty set is a subset of A. The empty set is a set. Therefore, the empty set has a cardinality >= 1..
added 48 characters in body
Sep
2
revised Place of functions in order of operations?
edited body
Aug
31
revised Place of functions in order of operations?
added 6 characters in body
Aug
31
revised Place of functions in order of operations?
added 137 characters in body