Does the argument from contingency prove the existence of God?
Russell-Copleston Debate on God's Existence (1948)
The case is decided
It wasBertrand Russell.
Russell successfully undermines the argument by challenging the coherence of 'necessary being' and the principle of sufficient reason. He demonstrates that Copleston's argument rests on unjustified assumptions—such as the meaningfulness of a being whose essence involves existence [462s] and the requirement that the universe as a whole must have an explanation [829s]. Copleston fails to provide a non-question-begging defense of these assumptions, and his responses to Russell's composition fallacy objection [859s] and demand for a definition of 'sufficient reason' [677s] are unconvincing. Russell's agnostic position remains logically consistent, while Copleston's proof collapses under scrutiny.
Why Bertrand Russell won
- Russell attacks the core concept: 'a being whose essence involves existence... seems to me to be impossible' [462s]
- Russell exposes the composition fallacy: 'every man who exists has a mother... therefore the human race must have a mother... obviously the human race hasn't a mother' [859s]
- Russell refuses the principle of sufficient reason: 'I see no reason whatsoever to suppose that the total has any cause whatsoever' [829s]
Where F.C. Copleston scored
- Copleston forces Russell to admit the question 'does the cause of the world exist?' has meaning, keeping the debate alive [524s]
- Copleston highlights a procedural difficulty: if the question is meaningless for Russell, it is 'very difficult to discuss it' [1013s]
Closest callWhether the concept of a 'necessary being' is meaningful; Copleston insists it is definable and Russell rejects it as empty, creating a stalemate on this sub‑issue.
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1 voteThe model called this for Bertrand Russell. Who do you say won?
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