BOOK ( SPEECH )

SPECIAL BOOKS ( DIFFERENT VERSIONS OF BOOK - TEXT BOOKS )

Charecteristica Universalis
see : Mathesis Universalis
see : Calculus Ratiocinator
see : Ars Combinatoria
see : Ars inveniendi
see : Ars judicandi
see : Programming Language
see : primitive alphabets
see : charecteristica universalis