Sorry if this isn't what you're looking for. I just read your other reply that you're looking for philosophical logic. I've got no experience with that at all and can't give a suggestion. But good luck with your…
https://en.wikibooks.org/wiki/Formal_Logic This wasn't my introduction to logic, but I like to skim it for refreshers, and it seems well-written enough to me. My introduction was What is Mathematical Logic? by Crossley…
> It's quite a bit more efficient to take more courses at once, especially if they're closely related (e.g., topology, abstract algebra, real analysis, ...). I agree that the interplay between related topics helps me…
Sorry if this isn't what you're looking for. I just read your other reply that you're looking for philosophical logic. I've got no experience with that at all and can't give a suggestion. But good luck with your…
https://en.wikibooks.org/wiki/Formal_Logic This wasn't my introduction to logic, but I like to skim it for refreshers, and it seems well-written enough to me. My introduction was What is Mathematical Logic? by Crossley…
> It's quite a bit more efficient to take more courses at once, especially if they're closely related (e.g., topology, abstract algebra, real analysis, ...). I agree that the interplay between related topics helps me…