Euclid's elements: proposition 1 Euclid's elements: proposition 1 begin-post-stats mathematicsonline • 44K views end-post-stats begin-duration 2:03 end-duration Math topics: _Elementary_shapes_##Elementary shapes##_Triangle_##Triangle##_Radius_##Radius##_Equilateral_triangle_##Equilateral triangle##_Mathematics_##Mathematics##_Point_(geometry)_##Point (geometry)##_Equality_(mathematics)_##Equality (mathematics)##_Line_(geometry)_##Line (geometry) Other topics: _Logic_##Logic##_Proposition_##Proposition##_Axiom_##Axiom##_Fact_##Fact video-id: zdofiH5HncU channel_mathematicsonline_ So What Learning Elementary shapes , Logic , Mathematics Monday, January 22, 2018 Share Share