Frege has the merit of ... finding a third assertion by recognising the world of logic which is neither mental nor physical.
Interpretation
The quote emphasizes Frege's contribution to logic by introducing a perspective that transcends traditional mental and physical assertions.
Bertrand Russell highlights Frege's significant achievement in the realm of logic by identifying a realm of thought that exists independently of both subjective mental states and the objective physical world. This notion represents a breakthrough in understanding the nature of assertions and the foundations of logic, indicating that there are truths that belong to a logical framework distinct from our mental or physical experiences.
In practice
In a philosophy lecture discussing the contributions of Frege to logic.
St. Paul introduced an entirely novel view of marriage, that it existed primarily to prevent the sin of fornication. It is just as if one were to maintain that the sole reason for baking bread is to prevent people from stealing cake.
Freedom comes only to those who no longer ask of life that it shall yield them any of those personal goods that are subject to the mutations of time.
Of these austerer virtues the love of truth is the chief, and in mathematics, more than elsewhere, the love of truth may find encouragement for waning faith. Every great study is not only an end in itself, but also a means of creating and sustaining a lofty habit of mind; and this purpose should be kept always in view throughout the teaching and learning of mathematics.
At all times, except when a monarch could enforce his will, war has been facilitated by the fact that vigorous males, confident of victory, enjoyed it, while their females admired them for their prowess.
Moreover, the attitude that one ought to believe such and such a proposition, independently of the question whether there is evidence in its favor, is an attitude which produces hostility to evidence and causes us to close our minds to every fact that does not suit our prejudices.
Extreme hopes are born from extreme misery.
They [intellectuals] coined most of the slogans that guided the butcheries of Bolshevism, Fascism, and Nazism. Intellectuals extolling the delights of murder, writers advocating censorship, philosophers judging the merits of thinkers and authors, not according to the value of their contributions but according to their achievements on battlefields, are the spiritual leaders of our age of perpetual strife.
I think that if one is faced by inevitable destruction -- if a house is falling upon you, for instance -- one must feel a great longing to sit down, close one's eyes and wait, come what may . . .
It is wonderful how preposterously the affairs of the world are managed. We assemble parliaments and councils to have the benefit of collected wisdom, but we necessarily have, at the same time, the inconvenience of their collected passions, prejudices and private interests: for regulating commerce an assembly of great men is the greatest fool on earth
The world did not have me in mind; it had no mind. It was a coincidental collection of things and people, of items, an I myself was one such item...the things in the world did not necessarily cause my overwhelming feelings; the feelings were inside me, beneath my skin, behind my ribs, withing my skull. They were even, to some extent, under my control.
It is the want to know the end that makes us believe in God, or witchcraft, believe, at least, in something
One human life is deeper than the ocean. Strange fishes and sea-monsters and mighty plants live in the rock-bed of our spirits. The whole of human history is an undiscovered continent deep in our souls. There are dolphins, plants that dream, magic birds inside us. The sky is inside us. The earth is in us.
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