Description: Conway's Simplicity Theorem. Given A preceeding B , there is a unique surreal of minimal length separating them. This is a fundamental property of surreals and will be used (via surreal cuts) to prove many properties later on. Theorem from Alling p. 185. (Contributed by Scott Fenton, 8-Dec-2021)
Ref | Expression | ||
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Assertion | conway | |