Disambiguation evidence for Playfair's axiom via surface form
"Euclid's fifth postulate"
Triples (1)
Triples where some other subject referred to this entity
as "Euclid's fifth postulate".
Commentary on the Difficulties of Certain Postulates of Euclid
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critiques
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"Euclid's fifth postulate"
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↳ resolves to Playfair's axiom