http://dswarmsikhttkg7jgsoyfiqpj3ighupfrvuz5ri3lu5q2dlqyrpgk7ad.onion/notes/lsg.html
Friedman, David Thrane Christiansen, 2018, p. 22) Different from normal form , a canonical form or a value specifies a unique representation for every object, while a normal form simply specifies its form, without the requirement of uniqueness.