卐𓆝 𓆟 𓆞r̾eⷲsͣe̾aͭrͥcⷦhͣ
Photo shows the Pythagorean #Tetractys with Xs instead of dots. The idea is to treat each dot as if it was an X in a modern equation, such as: 1x+2x+3x+4x=10x When x=1: 1+2+3+4=10 When x=2: 2+4+6+8=20 And also: 3+6+9+12=30 4+8+12+16=40 5+10+15+20=50 6+12+18+24=60 7+14+21+28=70 8+16+24+32=80 9+18+27+36=90 10+20+30+40=100 11+22+33+44=110 12+24+36+48=120 etc. The Pythagoreans believed that their tetr
