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4 (* ||A|| A project by Andrea Asperti *)
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7 (* ||T|| The HELM team. *)
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15 include "static_2/relocation/lex_length.ma".
16 include "basic_2/rt_transition/lpx.ma".
18 (* UNBOUND PARALLEL RT-TRANSITION FOR FULL LOCAL ENVIRONMENTS ***************)
20 (* Forward lemmas with length for local environments ************************)
22 lemma lpx_fwd_length (h) (G): ∀L1,L2. ⦃G, L1⦄ ⊢ ⬈[h] L2 → |L1| = |L2|.
23 /2 width=2 by lex_fwd_length/ qed-.