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[Thorsten Altenkirch <txa AT Cs.Nott.AC.UK>]

Hi,

for my lecture I'd like to use sums (i.e. coproducts) so that both  
arguments of injections are inferred. Set Implicit Contextual doesn't  
seem to do the trick. Is there a way?

Set Contextual Implicit.
Definition ex2 : nat + bool := inl  black.

doesn't work.

Obviously, I'd prefer not to have to redefine the library functions...

Cheers,
Thorsten


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