I have added to my book, section “Equivalent filters and rebase of filters” some new results. Particularly I added “Rebase of unfixed filters” subsection.
It remains to research the properties of the lattice of unfixed filters.
I have added to my book, section “Equivalent filters and rebase of filters” some new results. Particularly I added “Rebase of unfixed filters” subsection.
It remains to research the properties of the lattice of unfixed filters.