Description: The start and end of any extension sequence are related (i.e. evaluate to the same element of the quotient group to be created). (Contributed by Mario Carneiro, 1-Oct-2015)
Ref | Expression | ||
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Hypotheses | efgval.w | |
|
efgval.r | |
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efgval2.m | |
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efgval2.t | |
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efgred.d | |
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efgred.s | |
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Assertion | efgsrel | |