Symbolic Logic

Chapter 17

Chapter 1720 wordsPublic domain

_INTRODUCTORY._

Meaning of x_{1}, xy_{1}, &c. 70

'=Entity=' "

Meaning of x_{0}, xy_{0}, &c. "

'=Nullity=' "

The Symbols "+" and "ΒΆ" "

'=Like=' and '=unlike=' Signs "