From 1823 he had spent the summers living near the village of Techobuz in southern Bohemia, on the estate of his friends Josef and Anna Hoffmann, while he spent the winter living in Prague with his brother Johann. J J I Hoffmann was a mathematician who had reviewed several of Bolzano's earlier works (see).
Mula sa 1823 niya nagastos ang summers nakatira malapit sa village ng Techobuz sa dakong timog Bohemya, sa ang ari-arian ng kanyang mga kaibigan Josef at Anna Hoffmann, habang siya na ginugol sa panahon ng taglamig nakatira sa Prague sa kanyang mga kapatid na lalaki Johann. JJI Hoffmann ay isang dalub-agbilang na susuriin ng ilang Bolzano ng mas maaga ng mga gawa (tingnan).