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Sep
25
reviewed Reject Category of fractions: transitivity and cancellation property
Sep
25
answered Convex function problem and mean value theorem
Sep
25
revised Convex function problem and mean value theorem
replaced image by TeX.
Sep
25
answered Is $ ‎\prod‎_{i \in I} K_i$ closed in $X = ‎\prod‎_{i \in I} X_i$?
Sep
25
answered $P+cQ$ is invertible for a finite number
Sep
25
answered Is there a difference between compact and closed?
Sep
24
answered existence of a weakly cauchy sequence if the dual space is separable
Sep
24
revised existence of a weakly cauchy sequence if the dual space is separable
added 12 characters in body
Sep
24
reviewed Approve probability of arranging books on shelf
Sep
24
reviewed Reject Order a list of sets based on a rule (pretty tough)
Sep
24
comment prove or disprove the statements about the Lebesgue measure
Corrected. ${}{}$
Sep
24
revised prove or disprove the statements about the Lebesgue measure
deleted 28 characters in body
Sep
24
reviewed Reject Numerically evaluating the limit of $\frac{x^4-1}{x^3-1}$ as $x\rightarrow 1$
Sep
24
answered What does the notation $H\biguplus RH$ mean?
Sep
24
comment What is $E \cap A$ where A is an algebra of subsets of $X$
In measure theoretic context, there is sometimes $E \cap \mathcal A$ used as an abbreviation for $\{A \cap E \mid A \in \mathcal A\}$ where $\mathcal A$ is some algebra or ring of sets.
Sep
24
comment Given an inductive function, how to calculate?
As I can compute $f(2)$ from the given values.
Sep
24
comment Given an inductive function, how to calculate?
But $f(2) - f(1) \ne f(1) - f(0)$.
Sep
24
comment Given an inductive function, how to calculate?
What difference?
Sep
24
answered Given an inductive function, how to calculate?
Sep
24
answered prove or disprove the statements about the Lebesgue measure