is mentioned by

Thm* l1,l2:Label. l1 = l2 l1 = l2

[assert_eq_label]

In prior sections: core well fnd int 1 bool 1 sqequal 1 fun 1 int 2 list 1 prog 1 rel 1 mb basic mb nat union num thy 1 mb list 1

Try larger context: GenAutomata