Changes between Version 3 and Version 9 of Ticket #21879
- Timestamp:
- Nov 15, 2016, 8:25:02 AM (6 years ago)
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Ticket #21879
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toneeds_review
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u/saraedum/implement_is_injective_for_ring_homomorphisms
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689028182d31068228562360264e86af492aadf9
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Ticket #21879 – Description
v3 v9 6 6 NotImplementedError 7 7 }}} 8 This makes the method `is_subring` essentially useless since itrelies on `is_injective` of the "natural map":8 This makes the method `is_subring` mostly useless since its default implementation relies on `is_injective` of the "natural map": 9 9 {{{ 10 10 sage: GF(3).is_subring(GF(9))