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Results tagged with higher-order-logics
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user 109573
For logics which admit quantification over sets/relations/functions/etc. rather than merely over individuals. The most common example is second-order logic.
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Does Foundation increase the strength of second-order logic?
Thinking about the recent threads on structural consequences of the Axiom of Foundation (AF) over ZF-AF, I've been trying to find some conservativity result which explains why AF doesn't seem to have …
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