If a hypothesis is considered as a species of proposition, then yes, there are a variety of ways in which a hypothesis can be "partly true". Firstly, if the hyp

If a hypothesis is considered as a species of proposition, then yes, there are a variety of ways in which a hypothesis can be "partly true". Firstly, if the hypothesis is a conjunction, the some of the conjuncts could be true. Propositions can also contain vague predicates with ambiguous truth values. Finally, there is the truthlikeness of the propositions. Some propositions seem to be more true, or have more versimiltude, than others (for which I refer you to https://plato.stanford.edu/entries/truthlikeness/ https://plato.stanford.edu/entries/truthlikeness/)