(* *)
(**************************************************************************)
+include "ground/arith/nat_minus_plus.ma".
include "ground/relocation/mr2.ma".
(* MULTIPLE RELOCATION WITH PAIRS *******************************************)
(* Basic properties *********************************************************)
-lemma pluss_SO2: ∀l,m,cs. (❨l,m❩;cs) + 1 = ❨↑l,m❩;cs + 1.
+lemma pluss_SO2: ∀l,m,cs. ((❨l,m❩;cs) + 𝟏) = ❨↑l,m❩;cs + 𝟏.
normalize // qed.
(* Basic inversion lemmas ***************************************************)
#i #l #m #cs2 *
[ normalize #H destruct
| #l1 #m1 #cs1 whd in ⊢ (??%?→?); #H destruct
- <minus_plus_m_m /2 width=3 by ex2_intro/
+ <nminus_plus_sn_refl_sn /2 width=3 by ex2_intro/
]
qed-.