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MS 430 (1902) - Minute Logic - Chapter III
67
Logic III 67
This gives, since we can by Rules I and III insert what we please within odd enclosures, gives
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 the initial letters, and also not writing the heavy lines the regularity (??) which makes it needless but merely indicating their outermost points, we have