...So mathematically straight was it that only when perspective closed it in, or when it dropped over the summit of a little rise, did the eye lose the effect of its interminability... 
Stewart Edward White 「African Camp Fires」
...Then we discover, singularly enough, that property may indeed manifest itself accidentally; but that, as an institution and principle, it is mathematically impossible...
P. J. Proudhon 「What is Property?」
...According to every convention of building, the Cathedral is not onlyartistically poor, but mathematically insupportable...
Elise Whitlock Rose 「Cathedrals and Cloisters of the South of France, Volume 1」
... shook his head impatiently, staring at the so-simple, yet incredible device whose theory had been mathematically proven numberless times, but never put into practice before...
Various 「Astounding Stories of Super-Science January 1931」
...It has beenindicated mathematically (by formulae based on conjecture),but never actually solved—for the very good reason that itis impossible to reproduce spacial conditions in earthlylaboratories...
Various 「Astounding Stories, July, 1931」
... mathematically expressed...
Roman Frederick Starzl 「The Martian Cabal」
...Laplace and Leverrier proved mathematically that in 1767 it had approached so close to Jupiter as to be involved among the orbits of his satellites...
Garrett Serviss 「Curiosities of the Sky」
...One can explain the elliptic motion now mathematically, but hardlyotherwise; and I must be content to state that the double fact istrue—viz...
Oliver Lodge 「Pioneers of Science」
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