Next row: a cube +its enlargement/set with 3el:1es,3ss with 1 el, 3ss with 2 el, 1fs Next row a 4-dimensional cube+its enlargement/set with 4el: 1es, 4 ss with 1el, 6 ss with 6el, 4 ss with 3 el, 1fs How to Pythagoras 2.0 a²+b12=c²=>a²+2ad+d²=(a+d)² 2ad+d² as b² =d²(2a/d+1) 2a/d+1=m² solve for a 2/4