Step
*
1
2
of Lemma
bpermr_wf
1. s : DSet
2. u : |s|
3. v : |s| List
4. ∀bs:|s| List. (v ≡b bs ∈ 𝔹)
⊢ ∀bs:|s| List. ((u ∈b bs) ∧b (v ≡b (bs \ u)) ∈ 𝔹)
BY
{ (D 0 THENA Auto) }
1
1. s : DSet
2. u : |s|
3. v : |s| List
4. ∀bs:|s| List. (v ≡b bs ∈ 𝔹)
5. bs : |s| List
⊢ (u ∈b bs) ∧b (v ≡b (bs \ u)) ∈ 𝔹
Latex:
Latex:
1. s : DSet
2. u : |s|
3. v : |s| List
4. \mforall{}bs:|s| List. (v \mequiv{}\msubb{} bs \mmember{} \mBbbB{})
\mvdash{} \mforall{}bs:|s| List. ((u \mmember{}\msubb{} bs) \mwedge{}\msubb{} (v \mequiv{}\msubb{} (bs \mbackslash{} u)) \mmember{} \mBbbB{})
By
Latex:
(D 0 THENA Auto)
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