ThmDex – An index of mathematical definitions, results, and conjectures.
Set of symbols
Alphabet
Deduction system
Theory
Zermelo-Fraenkel set theory
Set
Binary cartesian set product
Binary relation
Map
Operation
N-operation
Binary operation
Enclosed binary operation
Groupoid
Ringoid
Semiring
Ring
Left ring action
Module
Linear combination
Linear map
Multilinear map
Bilinear map
Sesquilinear map
Hermitian map
Hermitian form
Semi-inner product
Inner product
Inner product space
Orthogonality relation
Definition D9
Orthogonal collection
Results
R26: Pythagorean theorem