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4 (* ||A|| A project by Andrea Asperti *)
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15 include "basic_2/s_transition/fqu_weight.ma".
16 include "basic_2/s_transition/fquq.ma".
18 (* OPTIONAL SUPCLOSURE ******************************************************)
20 (* Forward lemmas with weight for closures **********************************)
22 lemma fquq_fwd_fw: ∀b,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮[b] ⦃G2, L2, T2⦄ →
23 ♯{G2, L2, T2} ≤ ♯{G1, L1, T1}.
24 #b #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -H [2: * ]
25 /3 width=2 by fqu_fwd_fw, lt_to_le/