The A e. V antecedent is confusing me. Might I ask for a quick pointer?
85195 indistopon $p |- ( A e. V -> { (/) , A } e. ( TopOn ` A ) ) $= ... $.
It looks suspiciously close to A e. _V which reas as "A is a set", but in this
case the V is just floating. What are the semantics here?
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