First, TODO.
TODO.
{#fig:knowledge-jtb-g}
Note that (a)theism and (a)gnostim deal with independent issues of what one believes and what one claims is knowable, respectively. Agnosticism is not some kind of middle position between atheism and theism. See philosophy-in-figures: atheism-vs-agnosticism.
{#fig:atheism-vs-agnosticism}