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20 revisions | jeffdown1 at Jan 21, 2017 07:17 PM | |
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67Logic This gives, since we can by Rules I and III insert Then by deiteration we get This, on substituting what a and b represent, becomes By Rule II we can now put two ovals round 'rejects' and using only | 67Logic This gives, since we can by Rules I and III insert Then by deiteration we get This, on substituting what a and b represent, becomes By Rule II we can now put two ovals round 'rejects' and using only |