Changes between Initial Version and Version 4 of Ticket #30263
 Timestamp:
 04/21/21 19:25:37 (2 months ago)
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Ticket #30263

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Dependencies
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to
#31680

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Milestone
changed from
sage9.2
tosage9.4

Property
Dependencies
changed from

Ticket #30263 – Description
initial v4 9 9 10 10 TypeError: declare_union() takes 3 positional arguments but 4 were given 11 12 sage: def label(element): 13 ....: try: 14 ....: return element._name 15 ....: except AttributeError: 16 ....: return '[' + ', '.join(sorted(x._name for x in element)) + ']' 17 18 sage: P = M.subset_poset(open_covers=True); P.plot(element_labels={element: label(element) for element in P}) 19 11 20 sage: M.declare_union(U, V.union(W)) 21 sage: P = M.subset_poset(open_covers=True); P.plot(element_labels={element: label(element) for element in P}) 22 12 23 sage: U.union(V).union(W) 13 24 Open subset U_union_V_union_W of the 3dimensional differentiable manifold M 25 sage: P = M.subset_poset(open_covers=True); P.plot(element_labels={element: label(element) for element in P}) 26 14 27 sage: U.union(V.union(W)) 15 28 3dimensional differentiable manifold M 29 sage: P = M.subset_poset(open_covers=True); P.plot(element_labels={element: label(element) for element in P}) # same 30 16 31 }}} 17 32