r:rel(), as:(LabelTerm) List, ds:Collection(dec()), da:Collection(SimpleType), de:sig(). tc(r;ds;da;de) (x:Label. (x rel_primed_vars(r)) (t:SimpleType. mk_dec(x, t) ds t term_types(ds;da;de;apply_alist(as;x;x)))) tc(rel_subst2(as;r);ds;da;de)

1	1. r: rel() 2. as: (LabelTerm) List 3. ds: Collection(dec()) 4. da: Collection(SimpleType) 5. de: sig() 6. tc(r;ds;da;de) 7. x:Label. (x rel_primed_vars(r)) (t:SimpleType. mk_dec(x, t) ds t term_types(ds;da;de;apply_alist(as;x;x))) tc(rel_subst2(as;r);ds;da;de)

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