diagrams/pdf/ncat/zz0.pdf
author Kevin Walker <kevin@canyon23.net>
Mon, 31 May 2010 12:44:19 -0700
changeset 310 ee7be19ee61a
parent 222 217b6a870532
permissions -rw-r--r--
converting sphere axiom to a proposition; still need to make similar changes in module axioms

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