Despite Putnam's rejection of functionalism, it has continued to flourish and has been developed into numerous versions by thinkers as diverse as David Marr, Daniel Dennett, Jerry Fodor, and David Lewis.
Trots Putnams avvisande av funktionalismen så har den fortsatt att blomstra och har utvecklats till flera olika versioner av tänkare som David Marr, Daniel Dennett, Jerry Fodor och David Kellogg Lewis.