An FSSP priest could offer the Novus Ordo Mass in Italian and interpret the Creeds, Catechisms and Vatican Council II without the false premise and so there would not be a change in the First Commandment while another FSSP priest could offer the Latin Mass while intepreting the Creeds, Catechisms and Vatican Council II with the false premise creating first class heresy and an impediment to offering Holy Mass.This Latin Mass would still be valid, licit, fitting and authentic for Peter Kwasniewski

An FSSP priest could offer the Novus Ordo Mass in Italian and interpret the Creeds, Catechisms and Vatican Council II without the false premise and so there would not be a change in the First Commandment while another FSSP priest could offer the Latin Mass while intepreting the Creeds, Catechisms and Vatican Council II with the false premise creating first class heresy  and an impediment to offering Holy Mass.This Latin Mass would still be valid, licit, fitting and authentic for Peter Kwasniewski.. -Lionel Andrades