02-04-2020, 05:12 PM
It all depends how wide one's definition of cipher is.
The Voynich MS is not of the type of cipher that was in use in the early 15th century.
When Friedman came to the opinion that the Voynich MS is something else than a cipher, he must have had some definition of cipher in mind.
*If* the text is meaningful, then it has clearly been obfuscated in some way. Whether that way could be called a cipher remains to be seen.
The Voynich MS is not of the type of cipher that was in use in the early 15th century.
When Friedman came to the opinion that the Voynich MS is something else than a cipher, he must have had some definition of cipher in mind.
*If* the text is meaningful, then it has clearly been obfuscated in some way. Whether that way could be called a cipher remains to be seen.