FDL - Step of Proof: decidable

Step of Proof: decidable_functionality

9,38

Inference at * 2 1
Iof proof for Lemma decidable functionality:

1. P :

2. Q :

3. P

Q
4. Dec(Q)

Dec(Q)

by (Auto_aux (first_nat 1:n) ((first_nat 1:n),(first_nat 4:n)) (first_tok :t) inil_term)