Description: One ball is contained in another if the center-to-center distance is less than the difference of the radii. In this version of blss2 for extended metrics, we have to assume the balls are a finite distance apart, or else P will not even be in the infinity ball around Q . (Contributed by Mario Carneiro, 23-Aug-2015)
Ref | Expression | ||
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Hypotheses | xblss2.1 | |
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xblss2.2 | |
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xblss2.3 | |
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xblss2.4 | |
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xblss2.5 | |
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xblss2.6 | |
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xblss2.7 | |
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Assertion | xblss2 | |