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ubavic_nikola
searching PlanetScale…
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by
ubavic_nikola
7y ago
The symbol ⊃ is an old notation for material conditional, which is now usually symbolized using ⇒ or →. And yes, use of ⊃ in symbolic logic and set theory is conflicting, as you noted.
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by
ubavic_nikola
7y ago
Classic game snake located in the fundamental polygon of the real projective plane. Below game is also a short and dirty introduction to topology concepts from the game.
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Show HN: Snake game in the real projective plane
(alas.matf.bg.ac.rs)
1 points
by
ubavic_nikola
7y ago
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1 comments