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trivial factorization wf a,b:, z:{a..b}. trivial_factorization(z) {a..b}
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Def of trivial_factorization(<term>)
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IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
a,b:
, z:{a..b
}. trivial_factorization(z) 
{a..b
