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15 include "basic_2/computation/fpns.ma".
16 include "basic_2/computation/fpbs.ma".
18 (* "BIG TREE" PARALLEL COMPUTATION FOR CLOSURES *****************************)
20 (* Properties on parallel computation for "big tree" normal forms ***********)
22 lemma fpns_fpbs: ∀h,g,G1,G2,L1,L2,T1,T2.
23 ⦃G1, L1, T1⦄ ⊢ ⋕➡*[h, g] ⦃G2, L2, T2⦄ → ⦃G1, L1, T1⦄ ≥[h, g] ⦃G2, L2, T2⦄.
24 #h #g #G1 #G2 #L1 #L2 #T1 #T2 * /2 width=1 by lpxs_fpbs/