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Step * of Lemma int_subtype_base

ℤ ⊆r Base
BY
{ (Auto THEN D 0 THEN Auto) }

1
.....subterm..... T:t
1:n
1. x : ℤ@i
⊢ x ∈ Base

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Latex:

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Latex:
\mBbbZ{}  \msubseteq{}r  Base


By

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Latex:
(Auto  THEN  D  0  THEN  Auto)

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