Chapter 1 of 7 · Geometry
Foundations and Proof
3 playlists in this chapter, each about 14 minutes, ending in a workshop: exam-style problems worked end to end, including one marked wrong first, then a set to attempt.
Playlist 1 of 3
Definitions, Postulates and Theorems
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Playlist 2 of 3
Writing a Proof
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Playlist 3 of 3
Logic and Conditional Statements
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