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Why is hydrogen less obvious in B stars than in A class?
MP
An abbreviation that could refer to Modus Ponens, a logical form where from premises of the form "If P, then Q" and "P", it's concluded that "Q".
MT
Another term for Modus Tollens, it is the form of logical argument implying the inverse of a conclusion based on the negation of its consequence.
HS
An abbreviation often referring to Hypothetical Syllogism, a logical argument form using two conditional statements to deduce a conclusion.
Inference Forms
Patterns of reasoning where the conclusion logically follows from premises.
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