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Showing 1 to 1 of 1 for “"hyperdoctrine"”.
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Tripos models of Internal Set Theory
… the technology of tripos theory and Lawvere’s hyperdoctrines. A new doctrinal account of nonstandard phenomena is described, which avoids a few key restrictions in Nelson’s approach: chiefly, the dependence on Set Theory (which is done by replacing a model of set theory with a topos as the …