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February 14, 2018 / porton

Join of two connected (regarding a funcoid) filters, whose meet is proper, is connected

I have proved that join of two connected (regarding a funcoid) filters, whose meet is proper, is connected. (I remind that in my texts filters are ordered reverse set-theoretic inclusion.)

The not so complex proof is available in the file addons.pdf. (I am going to move it to the book in the future.)

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