What is the distinction between a proposition and a theorem
A theorem is something that is proved deductively using logical reasoning or inference (think about what you do in a formal logical system like propositional logic).
A proposition made as a basis for reasoning, ..
As a student who only participated in science fairs growing up, my view on research was skewed to look at a topic, create a statement/guess on why something happened, and then set out to prove it. And as I entered college I realized that though I had chosen to study history I was truly only trained in the scientific method. I lacked the skill of looking at a topic and creating a question to answer, rather than trying to prove a hypothesis.
The had already produced strong evidence in favor of theproposition, that the solution to the solar neutrino problem lay in the phenomena of oscillationbetween neutrino types.