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Nov
12
comment Connected and irreducible topological spaces
@LinAlgMan: You’re welcome; glad it helped.
Nov
12
answered complement topology
Nov
12
answered Removing epsilon productions from a Context-free Grammar
Nov
12
revised Removing epsilon productions from a Context-free Grammar
LaTeX.
Nov
12
answered Given the index of an element in a triangular array, how do I find its row?
Nov
12
answered Probability of a three-pairs in 6-card poker
Nov
12
comment Kleene Star operation on sets
@eager2learn: You’re welcome.
Nov
12
answered Kleene Star operation on sets
Nov
12
comment On simple extension
@hardmath: Don’t you have to go to $\Bbb Q(X)$ if it’s a transcendental extension?
Nov
12
comment Geometry GRE question
@Akaichan: You’re very welcome!
Nov
12
revised Recursive formular and closed-form questions
LaTeX, formatting.
Nov
12
comment Connected and irreducible topological spaces
@Tom: One way to think of irreducible spaces that I find helpful is that they are the spaces in which every non-empty open set is dense.
Nov
12
answered Functions from ordinals to ordinals
Nov
12
answered Geometry GRE question
Nov
12
comment Intuition/Real-life Examples: Pairwise Independence vs (Mutual) Independence
For an example of (1) you might look at this question.
Nov
12
answered Difference between NFA and DFA
Nov
12
answered Connected and irreducible topological spaces
Nov
12
answered $Seq (\mathbb{N})$ of all finite sequences of elements of $\mathbb{N}$ is countable.
Nov
12
comment Expected Hamming distance
@Alexander: You’re very welcome.
Nov
12
answered Expected Hamming distance