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lean2/library/data/set/set.md
Jeremy Avigad f97298394b feat(library/data/nat/bigops,library/data/set/card,library/*): add set versions of bigops for nat 
This required splitting data/set/card.lean from data/set/finite.lean, to avoid dependencies
2015-08-08 17:20:23 -04:00

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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)
  • classical_inverse : inverse functions, defined classically