Description: The dimensional volume of a half-open interval intersected with a two half-spaces. Used in the last inequality of step (c) of Lemma 115B of Fremlin1 p. 29. (Contributed by Glauco Siliprandi, 21-Nov-2020)
Ref | Expression | ||
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Hypotheses | hsphoidmvle2.l | |
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hsphoidmvle2.x | |
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hsphoidmvle2.z | |
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hsphoidmvle2.y | |
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hsphoidmvle2.c | |
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hsphoidmvle2.d | |
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hsphoidmvle2.e | |
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hsphoidmvle2.h | |
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hsphoidmvle2.a | |
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hsphoidmvle2.b | |
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Assertion | hsphoidmvle2 | |