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15 include "ground_2/notation/functions/identity_0.ma".
16 include "ground_2/relocation/rtmap_eq.ma".
18 (* RELOCATION N-STREAM ******************************************************)
20 corec definition id: rtmap ≝ ⫯id.
22 interpretation "identity (nstream)"
25 (* Basic properties *********************************************************)
27 lemma id_rew: ⫯𝐈𝐝 = 𝐈𝐝.
28 <(stream_rew … (𝐈𝐝)) in ⊢ (???%); normalize //
31 lemma id_eq_rew: ⫯𝐈𝐝 ≡ 𝐈𝐝.
32 cases id_rew in ⊢ (??%); //