A. B. Yehoshua | Pnei Kedem | Yehoshua Zettler | Yehoshua Stampfer | Yehoshua Sagiv | Avraham Yehoshua Heshel |
The Pnei Yehoshua comments that such exemptions are valid only for positive commandments, stating that one thoroughly engaged in a positive precept (such as burying the dead or learning Torah) would certainly not enable one to violate negative precepts (such as performing adultery or consuming non-kosher food).