re a visit from the jehovah s witnesses in article chrisb baarnie chrisb tafe sa edu au chris bell writes jbrown batman bmd trw com writes my syllogism is of the form a is b c is a therefore c is b this is a logically valid construction your syllogism however is of the form a is b c is b therefore c is a therefore yours is a logically invalid construction and your comments don t apply if all of those are is s of identity both syllogisms are valid if however b is a predicate then the second syllogism is invalid the first syllogism as you have pointed out is valid whether b is a predicate or designates an individual jim lippard lippard ccit arizona edu dept of philosophy lippard arizvms bitnet university of arizona tucson az
