contrib. Math, Lean, Sage, Haskell

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P	Q
1	section	subsection	highlight	English	notion	historical	logic	set-theory	category_notion	in_category	Lean	Sage	Hyperpolyglot	Haskell	Python	other1	other2

2	Meta
3		links
4					inspiration								https://hyperpolyglot.org/
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6					libraries						https://leanprover-community.github.io/mathlib4_docs/			https://hoogle.haskell.org/
7					operator precedence							https://doc.sagemath.org/html/en/tutorial/appendix.html
8														What is the precedence of `->`, `=` and ` ` in Haskell? - Stack Overflow
9														Operator precedence - Rosetta Code
10					hyperpolyglot.org							https://hyperpolyglot.org/computer-algebra
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12					Hyperpolyglot-CSV							Hyperpolyglot-CSV--Computer Algebra I_ Mathematica, SymPy, Sage, Maxima		Hyperpolyglot-CSV--ML Dialects and Haskell_ SML, OCaml, F#, Haskell
13													hyperpolyglot-CSV-directory
14													Hyperpolyglot-CSV-README-ISSUES
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16					rosettacode						https://rosettacode.org/wiki/Category:Lean	https://rosettacode.org/wiki/Category:Sage
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18											Lean Web Editor
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20										https://en.wikipedia.org/wiki/Special:PrefixIndex?prefix=category+of&namespace=0&hideredirects=1
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23					bidirectional links									https://github.com/martin12333/marti-onedrive/blob/main2/haskell/haskell-mathematical-definitions.f8.hs
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28		general
29					theoretical "basis"
30								Set_(mathematics)
31											Type_theory#Differences_from_set_theory			Type_theory#Differences_from_set_theory
32														see also Domain theory - Wikipedia
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37					philosophy
38							https://en.wikipedia.org/wiki/Philosophy_of_mathematics
39							Metamathematics - Wikipedia
40							https://plato.stanford.edu/entries/philosophy-mathematics/
41					Universe_(mathematics)
42					Domain of discourse - Wikipedia
43						our physical universe
44								Von Neumann universe - Wikipedia	Category_of_sets	https://en.wikipedia.org/wiki/Topos#Examples
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46											https://leanprover.github.io/reference/expressions.html#universes
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48					infinity	potential
49						https://en.wikipedia.org/wiki/Actual_infinity#Aristotle's_potential%E2%80%93actual_distinction
50											https://en.wikipedia.org/wiki/Actual_infinity#Opposition_from_the_Intuitionist_school
51								actual
52								https://en.wikipedia.org/wiki/Actual_infinity#Modern_era
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