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samanfatma (25)in euclidpostulates • 2 years ago
RE: Why did Euclid prove his first four postulates? Why didn't he prove his fifth postulate (parallelism)?
thank you
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steem.history (78)in introducemyself • 2 years ago
RE: Introduce my self
Hello welcome to Steemit world! I'm @steem.history, who is steem witness. This is a recommended post for you. Newcomers Guide and The Complete Steemit Etiquette Guide (Revision 2.0) and…
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Mohammad Bilal Khan (25.34 Elementary)