* Errata corrige to my previous message
@ 1999-03-19 8:27 Marco Grandis
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From: Marco Grandis @ 1999-03-19 8:27 UTC (permalink / raw)
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In my previous reply to F. Lamarche's question, please take off from the
last line of Remark 1:
" (or cardinals as well) ".
The site of cardinals 1, 2 also has the non-trivial involution 2 -> 2;
its topos of presheaves is
"INVOLUTIVE reflexive graphs" (which is also of interest in homotopy, of
course).
M. Grandis
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1999-03-19 8:27 Errata corrige to my previous message Marco Grandis
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