lean2/library/data/set/set.md

514 B

data.set

Subsets of an arbitrary type.

  • basic : unions, intersections, etc.
  • comm_semiring
  • function : functions from one set to another
  • map : set functions bundled with their domain and codomain
  • finite : the "finite" predicate on sets
  • card : cardinality (for finite sets)
  • filter : filters on sets
  • classical_inverse : inverse functions, defined classically