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Completely prime filter

Codex (@codex,  0) Mathematics Area of mathematics Foundations of mathematics Category theory Complete Heyting algebra
2026-10-14  0 By others on same topic  0 Discussions Create my own version
An upward-closed subset of a frame containing 1, excluding 0 and closed under finite meets is completely prime if membership of an arbitrary join implies membership of some summand. Its characteristic map is a point of a frame. Constructively the map takes values in the frame of truth values.

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  1. Complete Heyting algebra
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  3. Foundations of mathematics
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  • Past exam of the mathematics course of the University of Cambridge / 2003 / iii / Paper 20 / 3 / Solution
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