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§ 7.
BOTH DIAGRAMS EMPLOYED.
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0 0 0 1 0 0 1 Let "persons" be Universe; = "Jews"; = "mad"; = "Rabbis".
No are ;
All are .∴ All are . i.e. All Rabbis are sane.
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1 0 0 1 Let "Things" be Universe; = "fish"; = "that can swim"; = "skates".
No are ;
Some are .∴ Some are . i.e. Some skates can swim.
[See p. 54]