= Controversy over Cantor's theory
{wiki=Controversy_over_Cantor's_theory}
Georg Cantor's set theory, particularly his ideas about infinity and the various sizes or cardinalities of infinity, has generated substantial controversy and debate since its inception in the late 19th century. Here are some key points of contention: 1. **Concept of Actual Infinity**: Cantor introduced the idea of actual infinity, distinguishing between potential infinity (a process that could continue indefinitely) and actual infinity (a completed totality).
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