Revision history [back]
 | 1 | initial version |
It seems that CR forgot its ring structure, and kept only its multiplicative operation:
sage: elem.parent().category()
Category of Cartesian products of monoids| | 1 | initial version |
It seems that CR forgot its ring structure, and kept only its multiplicative operation:
sage: elem.parent().category()
Category of Cartesian products of monoids
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