What's a "SUBSTANTIAL FACTOR"?

["Jerry Cohen" <jjcohen@prodigy.net>]

Based on what I've seen on Radsafe & other sources, it appears that in
determining liability, the concept of a
"substantial factor" means whatever the judge, jury, or tribunal wants it to
mean (i.e., no quantitative guidance). In other words, it is  ARBITRARY!!
If I am wrong, please straighten me out. jjcohen@prodigy.net

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