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It would be nice to see some indication of the rationale for this operator being named for
Leibniz; what part of his work (presumably in a precursor of algebraic logic) does it encapsulate ? (c.f. my rationale for
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p. 25. Of course, it would be better if all those notions are defined in the wiki article, which is currently far from doing, even for those classes that it does mention.
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to tensor operators obeying
Leibniz's product rule, which I had done before hearing of the name's use in algebraic logic.)
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Knowledge. If you would like to participate, please visit the project page, where you can join
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This is only true if T is a complete theory. Is it possible the article means :
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I can't tell for sure, but I think it is a reference to
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190:{\displaystyle \phi \leftrightarrow \psi \in T}
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391:{\displaystyle T\vdash _{\mathcal {S}}\chi }
347:{\displaystyle T\vdash _{\mathcal {S}}\chi }
299:{\displaystyle T\vdash _{\mathcal {S}}\psi }
264:{\displaystyle T\vdash _{\mathcal {S}}\phi }
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