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Apr
23
comment Is there a symbol for “given” in mathematics?
Actually, I wouldn't use "given" in this context for the natural language version.
Apr
23
revised Solutions for the following equation.
deleted 9 characters in body
Apr
23
answered Solutions for the following equation.
Apr
23
answered Proving $a + a = a$ if a statement is true
Apr
23
revised Prove that $r$ is irreducible if and only if every divisor of $r$ is either a unit or an associate of $r$.
added 25 characters in body
Apr
23
answered Prove that $r$ is irreducible if and only if every divisor of $r$ is either a unit or an associate of $r$.
Apr
23
answered A function with IVP has continuity
Apr
23
comment Algebraic groups?
@MilesUbiquity with the operation $a\circ b=a+b-1$, the real number from a group with neutral element $1$. In fact, $x\mapsto x-1$ is a group isomorphism $(\mathbb R,\circ)\to(\mathbb R,+)$.
Apr
23
answered Multivariable Limit Calculation - tan and sin!
Apr
23
revised Multivariable Limit Calculation - tan and sin!
added 3 characters in body
Apr
23
answered Are the connected components of the level sets of a $\mathcal{C}^1$ function path-connected?
Apr
23
answered Roots of “almost cyclotomic” polynomials
Apr
22
revised Follow-on question to “Fifty men and thirty woman…”
added 5 characters in body
Apr
22
revised Follow-on question to “Fifty men and thirty woman…”
added 1096 characters in body
Apr
22
answered Follow-on question to “Fifty men and thirty woman…”
Apr
22
revised If $B$ is a maximal linearly independent set in $V$ then $B$ is a basis for $V$
added 8 characters in body; edited title
Apr
22
revised If $B$ is a maximal linearly independent set in $V$ then $B$ is a basis for $V$
LaTeX fine points
Apr
22
comment If $B$ is a maximal linearly independent set in $V$ then $B$ is a basis for $V$
@zed111 if $\alpha_{n+1}=0$ then $\alpha_{n+1}x$ can be ignored and the dependence relation is really among the $b_i$ alone, but $B$ was assumed to be linearly independent.
Apr
22
answered Uniform Polyhedron with 500 congruent right kite faces!
Apr
22
comment Uniform Polyhedron with 500 congruent right kite faces!
I suppose the very acute angles are all at the north and south pole and the length $a$ wiggle about the equator?