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15 include "ground/relocation/rtmap_isid.ma".
17 (* RELOCATION P-STREAM ******************************************************)
19 (* Inversion lemmas (specific) ************************************************)
21 lemma isid_inv_seq: ∀f,p. 𝐈❪p⨮f❫ → 𝐈❪f❫ ∧ 𝟏 = p.
22 #f #p #H elim (gr_isi_inv_gen … H) -H
23 #g #Hg #H elim (push_inv_seq_dx … H) -H /2 width=1 by conj/