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Pope Leo XIV declares 'just war' theory outdated in encyclical - MSN

msn.com

Pope Leo XIV just declared one of philosophy's oldest frameworks for legitimizing violence obsolete — and the ripple effects for global ethics, politics, and military doctrine could be enormous.

Just War TheoryPacifismNatural Law TheoryMoral Philosophy

Theory Briefing

  • Pope Leo XIV's encyclical formally declares the Catholic 'just war' theory outdated, marking a historic doctrinal shift centuries in the making.
  • Just war theory, dating back to Augustine and Aquinas, has long provided moral criteria for when nations may justifiably go to war.
  • The Pope urges peaceful conflict resolution instead, challenging world leaders and ethicists to reimagine the moral calculus of modern warfare.