Failed attempt to replace ℤ with an extra type parameter. #6
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eric-wieser
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eric-wieser
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Jul 3, 2020
| [ring (A 0)] | ||
| [module (A 0) G] := | ||
| (select : G →ₗ[A 0] (Π₀ r, A r)) | ||
| (select : linear_map (A 0) G (Π₀ r, A r)) |
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With or without this line change,
failed to synthesize type class instance for
ι : Type u,
_inst_1 : has_zero ι,
A : ι → Type u,
G : Type u,
_inst_2 : graded_module_components A,
_inst_3 : add_comm_group G,
_inst_4 : ring (A 0),
_inst_5 : module (A 0) G
⊢ semimodule (A 0) (Π₀ (r : ι), A r)For now, we probably want to build on top of this limited to ℕ anyway.
eric-wieser
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Jul 3, 2020
| (A : ι → Type u) (G: Type u) | ||
| [graded_module_components A] | ||
| [add_comm_group G] | ||
| [ring (A 0)] |
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Without this line, module (A 0) G below would fail, even though this should be implied by graded_module_components.zc?
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For now, we probably want to build on top of this limited to ℕ anyway.
This does not build any more...