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Directory talk:Jon Awbrey/Papers/Peirce's 1870 Logic Of Relatives (view source)
Revision as of 21:19, 30 April 2009
, 21:19, 30 April 2009→Commentary Note 12.2
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It looks like we have a "servant of every lover of" link between <math>i\!</math> and <math>j\!</math> if and only if <math>i \cdot S \supseteq L \cdot j.</math> It looks like the vacuous inclusions will make this rather non-intuitive.
It looks like there is a "servant of every lover of" link between <math>i\!</math> and <math>j\!</math> if and only if <math>i \cdot S ~\supseteq~ L \cdot j.</math> But the vacuous inclusions will make this non-intuitive.
Recall the analogy between involution and implication:
Recall the analogy between involution and implication: