Step
*
1
1
1
of Lemma
l_before_antisymmetry
1. T : Type
2. l : T List
3. x : T
4. y : T
5. no_repeats(T;l)
6. [x; y] ⊆ l
7. [y; x] ⊆ l
⊢ [x; x] ⊆ [x; y; x]
BY
{ (RWW "cons_sublist_cons" 0 THEN Auto) }
Latex:
Latex:
1. T : Type
2. l : T List
3. x : T
4. y : T
5. no\_repeats(T;l)
6. [x; y] \msubseteq{} l
7. [y; x] \msubseteq{} l
\mvdash{} [x; x] \msubseteq{} [x; y; x]
By
Latex:
(RWW "cons\_sublist\_cons" 0 THEN Auto)
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