Properties
Type Person
Title J. L. Mackie
Subtype Philosopher
State Stable
Also known as John Leslie Mackie, Mackie
Born 1917-08-25
Died 1981-12-12
Nationality Australian
Roles philosopher, fellow of University College Oxford
Associations analytic-philosophy, atheism, evidentialism, problem-of-evil
Created 2026-04-30
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J. L. Mackie

J. L. Mackie was an Australian philosopher who spent the second half of his career at University College, Oxford. He worked across moral philosophy, philosophy of mind, and metaphysics, but his place in this corpus is fixed by a single book, The Miracle of Theism, published in 1982 just after his death. The Miracle of Theism is the most thorough sympathetic-but-devastating treatment of the arguments for the existence of God published in the analytic tradition. It is the book Margaret Halloran read twice over the summer before her second year. She underlined it heavily.

Mackie’s earlier paper “Evil and Omnipotence” (1955) gave the Logical Problem of Evil its canonical modern form. He argued that the propositions “God is omnipotent,” “God is wholly good,” and “evil exists” are jointly inconsistent, and that any theistic response would have to give up one of them or smuggle in a special definition. The argument was widely thought to have been answered by Alvin Plantinga‘s Free Will Defense, and Mackie himself in The Miracle of Theism concedes the logical version while pivoting to an evidential one.

Mackie writes with a particular kind of analytic clarity that is hard to imitate: short paragraphs, careful disjunctions, no rhetorical excess. Reading him is what made Margaret think, in September, that she already knew where she was going to land.

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