Physics & Cosmology
Anthropic Principle
Argues that observed physical constants must be compatible with the existence of observers, which explains why we find ourselves in a universe fine-tuned for life — without invoking design.
Proponents
Brandon Carter
Evidence For
A selection-effect argument that is logically valid and widely used alongside multiverse theories to explain fine-tuning.
Evidence Against
Critics argue it can become an unfalsifiable explanation that discourages seeking deeper physical causes for constants.
Real Sources
Transmissions
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