Another problem stems from the fact that many different things can cause a user signoff. ln most cases, it is the issuance of the $SIGNOFF command, but there are other circumstances after which the system will force a user off […]
The defining conditions for a contact geometry are opposite to two equivalent conditions for complete integrability of a hyperplane distribution: i.e. that it be tangent to a codimension 1 foliation on the manifold, whose equivalence is the content of the Frobenius theorem.
In December 1948, the 4th Route Army launched a final offensive on a 400-kilometre front extending from Tangku to Changkiakow.
Ay, biddy, come with me.
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