I'm not clear on what you intend as a proposed definition, so to help get us on the right track, I'll take a few stabs at distilling down your post to what I th

I'm not clear on what you intend as a proposed definition, so to help get us on the right track, I'll take a few stabs at distilling down your post to what I think you might be suggesting. Is one of these close? 1. Facts are propositions that are indisputable. 2. Facts are propositions we are certain are true. 3. Facts are directly observable. 4. Facts are empirically verifiable.