f7ea9a5f64
Adds a small theory about Galois connections, i.e. order theoretic adjoints, and their relations to least upper and greatest lower bounds.
1 KiB
1 KiB
algebra
Algebraic structures.
- priority : priority for algebraic operations
- relation
- binary : binary operations
- order
- interval
- lattice
- complete lattice
- galois_connection
- group
- group_power : nat and int powers
- group_bigops : products and sums over lists, finsets and sets
- ring
- ordered_group
- ordered_ring
- field
- ordered_field
- module : modules, vector spaces, and linear maps
- ring_power : power in ring structures
- ring_bigops : products and sums in various structures
- bundled : bundled versions of the algebraic structures
- category : category theory (outdated, see HoTT category theory folder)