Proof Gallery:
2motors_with_circle
Proof Gallery:
4th_dimension
Proof Gallery:
emailimage
Proof Gallery:
front_image
Proof Gallery:
jdd01
Proof Gallery:
jdd02
Proof Gallery:
jdd03
Proof Gallery:
jdd04
Proof Gallery:
jdd05
Proof Gallery:
jdd06
Proof Gallery:
jdd07
Proof Gallery:
jdd08
Proof Gallery:
jdd09
Proof Gallery:
jdd10
Proof Gallery:
jdd11