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15 include "basic_2/unfold/csups.ma".
16 include "basic_2/computation/yprs.ma".
18 (* HYPER PARALLEL COMPUTATION ON CLOSURES ***********************************)
20 (* Properties on iterated supclosure ****************************************)
22 lemma csups_yprs: ∀h,g,L1,L2,T1,T2. ⦃L1, T1⦄ >* ⦃L2, T2⦄ →
23 h ⊢ ⦃L1, T1⦄ •⥸*[g] ⦃L2, T2⦄.
24 #h #g #L1 #L2 #T1 #T2 #H @(csups_ind … H) -L2 -T2 /3 width=1/ /3 width=4/