To use this "razor" named for a 14th century English philosopher means to use economy in explanation
When scientists use the idea of parsimony, it has meaning only in a very 
specific... [DOC] [TLE] Ockham's razor - New World Encyclopedia [PAR] Feb 11, 2015 ... Ockham's razor is a principle attributed to the fourteenth century ... guideline that 
advises economy, parsimony, or simplicity in theories.