Step
*
of Lemma
es-interval-select
∀[es:EO]. ∀[e',e:E]. ∀[i:ℕ].
firstn(i;[e, e']) = if (i =z 0) then [] else [e, pred([e, e'][i])] fi ∈ (E List) supposing i < ||[e, e']||
BY
{ (UniformUnivCD Auto THEN Repeat (MoveToConcl (-1))) }
1
∀es:EO. ∀e',e:E. ∀i:ℕ.
(i < ||[e, e']||
⇒ (firstn(i;[e, e']) = if (i =z 0) then [] else [e, pred([e, e'][i])] fi ∈ (E List)))
Latex:
\mforall{}[es:EO]. \mforall{}[e',e:E]. \mforall{}[i:\mBbbN{}].
firstn(i;[e, e']) = if (i =\msubz{} 0) then [] else [e, pred([e, e'][i])] fi supposing i < ||[e, e']||
By
(UniformUnivCD Auto THEN Repeat (MoveToConcl (-1)))
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