Refinement types do exhaustiveness checking!
The partial cases are assigned logical goal False, and the SMT solver needs to show they are not possible. This is one of the reasons I now believe in refinement types...
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seen from China

seen from Germany
seen from Canada
seen from Brazil
seen from United States
seen from Brazil
seen from Brazil
Refinement types do exhaustiveness checking!
The partial cases are assigned logical goal False, and the SMT solver needs to show they are not possible. This is one of the reasons I now believe in refinement types...

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