(* 096_principle_of_inclusion___exclusion — isabelle *)


section \<open>Basic combinatorics in Isabelle/HOL (and the Archive of Formal Proofs)\<close>

theory Combinatorics
imports
  Transposition
  Stirling
  Permutations
  List_Permutation
  Multiset_Permutations
  Cycles
  Perm
  Orbits
begin

end