src/HOL/Old_Number_Theory/ROOT.ML

Implement previous fix (don't duplicate ext_def) correctly.

no_document use_thys ["Infinite_Set", "Permutation"];
use_thys ["Fib", "Factorization", "Chinese", "WilsonRuss",
  "WilsonBij", "Quadratic_Reciprocity", "Primes", "Pocklington"];