#15475: Reenable broken doctests in #15473 and #15476 when #10963 is merged
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Reporter: darij | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: categories | Resolution:
Keywords: 10963, | Merged in:
categories, c3, coercion, | Reviewers:
transitivity, descent algebras, | Work issues:
symmetric functions | Commit:
Authors: | 702e7a19c9ec25f7af538fefb6fc7491a3adebd1
Report Upstream: N/A | Stopgaps:
Branch: |
public/categories/15475 |
Dependencies: #10963, #15473, |
#15476 |
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Comment (by tscrim):
Suppose you want `phi : M -> N` with `M` an `R`-module and `N` an
`S`-module with a coercion `R -> S`. Then `phi` is a morphism in the
category of `R` modules. `canonical_embedding()` takes care of this
(albeit somewhat silently) by defining the morphism only on the basis
vectors and extending by linearity (over `R` in this case).
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Ticket URL: <http://trac.sagemath.org/ticket/15475#comment:28>
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