It is well known that a Peano space is a cactoid if and only if each of its true cyclic elements is a 2-sphere.
Source: wiktionary
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It is well known that a Peano space is a cactoid if and only if each of its true cyclic elements is a 2-sphere.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.