Premise: Dark matter is a hypothetical type of matter distinct from baryonic matter ( ordinary matter such as protons and neutrons ) , neutrinos and dark energy . The standard model of cosmology indicates that the total mass -- energy of the universe contains 4.9 % ordinary matter , 26.8 % dark matter and 68.3 % dark energy .
Hypothesis: Dark matter is a type of matter.
Label: ENTAILMENT