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May
23
comment About elements of a poset
Counterexample: mathematics21.org/binaries/star-comparison.pdf (suggested by sci.math people)
May
12
asked About elements of a poset
May
9
asked Characterization of monovalued functions
May
8
accepted The least relation which produces a partial order
May
8
comment The least relation which produces a partial order
(stupid comment removed)
May
7
revised The least relation which produces a partial order
added 116 characters in body
May
7
comment The least relation which produces a partial order
@PedroM. $E^2 = E\circ E$ is the composition of binary relation $E$ with itself
May
7
asked The least relation which produces a partial order
May
2
comment What do the symbols d/dx and dy/dx mean?
It is described in en.wikipedia.org/wiki/Differential_of_a_function
May
1
comment What do the symbols d/dx and dy/dx mean?
@Fixee See my answer. It is nevertheless CAN be defined as a fraction of two functions, rather than an atomic object.
May
1
revised What do the symbols d/dx and dy/dx mean?
typo
May
1
comment What do the symbols d/dx and dy/dx mean?
Note that $\frac{F}{G}$ is defined for two functions $F$ and $G$ as $\frac{F}{G}(x)=\frac{F(x)}{G(x)}$. Thus $\frac{df}{dx}$ makes sense.
May
1
answered What do the symbols d/dx and dy/dx mean?
Apr
29
comment Three theorems for the price of one? (like duality)
en.wikipedia.org/wiki/Triality (for vector spaces)
Apr
29
comment Three theorems for the price of one? (like duality)
@HagenvonEitzen Why six?
Apr
29
asked Three theorems for the price of one? (like duality)
Apr
23
revised About characterization of atomistic posets
grammar
Apr
23
accepted About characterization of atomistic posets
Apr
23
answered About characterization of atomistic posets
Apr
13
asked About characterization of atomistic posets