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One aspect about being a mathematician in a physics class, is that people will say something nebulous like radians are a unit less and in the back of my head I have to be like no it’s actually meter per meter. But I’m not allowed to say that
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an example of Kinskan math! this is a quartic equation that I attempted to figure out
Rate your favorite logic notation
Which is the best logic notation?
Math [∧, ∨, ¬ ]
Computer Science [&&, ||, !]
English[AND, OR, NOT]
Time to start a wrestle with the mathematicians
What is your favorite vector product
Geometric product
Dot product
Cross product
Wedge product
Hadamard product
Set theorists what is your preferred set notation?
Preferred set notation
{Expression : Rule}
{Rule : Expression}
{Expression : Rule} is the form of{2n : n ∈ ℕ} and is formally expressed as “the set of all thing of the form 2n such that n is an element of ℕ”.
{Rule : Expression} is the form {n ∈ ℕ: 2n} and is formally expressed as “the set of all n in ℕ such that 2n”
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Such that?
“:”
“|”
S.T.
So I was talking about adding dissimilar matrices together: think 3 × 3 and 4 × 2. And it occurred to me that the main problem with those things is that ultimately we assumed the matrixes to represent the same space and not different spaces. For instance ℝ^3 is not necessarily a subset of ℝ^4. It could even be true that ℝ^4 ∩ ℝ^3 = ø.
I don’t think is a problem created by a closed operation as that’s my usual approach to generalizing problems, but I think this approach could be useful. More research needed.
While working in combinatorics I noticed that we don’t have a word(seamingly) for a object where order doesn’t matter. I suggest “ordn’t”
