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VASSILIEV INVARIANTS ON FIBERED AND MUTUALLY OBVERSE KNOTS
Journal of Knot Theory and Its Ramifications, 1999We use the new approach of braiding sequences and the Stanford construction to prove that there is no way to extract information on fiberedness from Vassiliev invariants and that the chirality sensitivity of Vassiliev invariants depends mainly only on the parity of their degree.
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Opposition, Obversion, and Duality
1993Squares of opposition have a long history: they were employed from the early middle ages onwards as a simple diagrammatic codification of the logical relationships among the four kinds of categorical propositions, but they apply to modal logics, deontic logics and many others. The purpose of this short paper is to demonstrate that squares of opposition
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Research on Reverse and Obverse Modeling for Mechanical Equipment Parts
Applied Mechanics and Materials, 2012The model reconstruction based on the reverse and obverse is a main method in reverse engineering applications at present. A new method is put forward for reverse modeling of mechanical parts, which is based on combining reverse software Geomagic Studio and Imageware with CAD system Pro/E.
Qun Zhang Tu, Jian Xun Zhao, Ming Pan
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The Obverse of Dissonance is Inconsistency
The Psychological Record, 1968Dissonance theorists’ perverse use of the word “obverse” is illustrated and discussed, and paths by which they may reduce dissonance are suggested.
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On Consequences By Virtue of Subalternation and Obversion
199256. If the universal affirmative simple is true the particular affirmative simple must be true with it in the same mode. For example, if a‘Ever a is b’ is true in a certain mode,a then it follows that’ some a is b’ will be true in the same mode. For since the sentence is affirmed of all a, it will be affirmed, according to the preceding,b of the ...
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