src/HOL/Quickcheck_Examples/Quickcheck_Nesting_Example.thy
author wenzelm
Mon, 24 Oct 2022 20:37:32 +0200
changeset 76371 1ac2416e8432
parent 63731 9f906a2eb0e7
permissions -rw-r--r--
tuned signature (again, amending f32ac01aef5e), e.g. relevant for Isabelle/DOF;

theory Quickcheck_Nesting_Example
imports Quickcheck_Nesting
begin

datatype x = X "x list"

lemma "X a = X b"
quickcheck[exhaustive, size = 4, expect = counterexample]
oops

end