https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.vonglasersfeld.com/132&ved=2ahUKEwiXutyb0tyFAxUKVPUHHXRKCIQQFnoECBcQAQ&usg=AOvVaw0hRfliC0BWz9NsNYcLzp-5
Knowing without Metaphysics.doc
