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Step * of Lemma test-box-2_wf

∀[x:test-prop()]. test-box-2(x) ∈ test-prop() supposing ↑test-box?(x)
BY
{ MrecSelectorWf testElim }

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Latex:

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Latex:
\mforall{}[x:test-prop()].  test-box-2(x)  \mmember{}  test-prop()  supposing  \muparrow{}test-box?(x)


By

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Latex:
MrecSelectorWf  testElim

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