IV. The Gravity of Sin: Mortal and Venial Sin

From The Catechism of the Catholic Church

1857
For a sin to be mortal, three conditions must together be met: “Mortal sin
is sin whose object is grave matter and which is also committed with full
knowledge and deliberate consent.”¹³¹

PART THREE: LIFE IN CHRIST

SECTION ONE MAN’S VOCATION LIFE IN THE SPIRIT
- CHAPTER ONE THE DIGNITY OF THE HUMAN PERSON
  - Article 8 SIN
    - IV. The Gravity of Sin: Mortal and Venial Sin

From The Catechism of the Catholic Church – rosary.team