Description: Two quadrilaterals to be congruent to each other if one triangle formed by their vertices is, and the additional points are equidistant too. (Contributed by Thierry Arnoux, 8-Oct-2020)
Ref | Expression | ||
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Hypotheses | tgcgrxfr.p | |
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tgcgrxfr.m | |
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tgcgrxfr.i | |
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tgcgrxfr.r | |
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tgcgrxfr.g | |
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tgcgr4.a | |
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tgcgr4.b | |
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tgcgr4.c | |
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tgcgr4.d | |
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tgcgr4.w | |
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tgcgr4.x | |
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tgcgr4.y | |
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tgcgr4.z | |
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Assertion | tgcgr4 | |