In Roman epitaphs we meet with the formula tumulum faciendum curavit, meaning the grave and its monument; and on the inscribed monumental stones placed over the early Christian graves of Gaul and Britain the phrase in hoc tumulo jacet expresses the same idea.
One section of the law expresses the fact that the weights of two substances, not necessarily elements, that are equivalent in one reaction, are often found to be equivalent in a number of other reactions.
Thus the symbol or formula H 2 O for water expresses the view that the molecule of water consists of one atom of oxygen and two of hydrogen; and if we know the atomic weights of oxygen and hydrogen, it also tells us the composition of water by weight.
In a contemporary letter Francis thus expresses the same petty feeling: "Surely Mr H.
12 a tant points he anticipates the utilitarianism afterwards systematized by Paley, who expresses in the amplest terms his obligations to his predecessor.
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