Frases de Pierre Simon Laplace

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Pierre Simon Laplace

Data de nascimento: 23. Março 1749
Data de falecimento: 5. Março 1827

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Pierre Simon Marquis de Laplace foi um matemático, astrônomo e físico francês que organizou a astronomia matemática, resumindo e ampliando o trabalho de seus predecessores nos cinco volumes do seu Mécanique Céleste . Esta obra-prima traduziu o estudo geométrico da mecânica clássica usada por Isaac Newton para um estudo baseado em cálculo, conhecido como mecânica física. Foi eleito membro da Royal Society em 1789.

Ele também formulou a equação de Laplace. A transformada de Laplace aparece em todos os ramos da física matemática — campo em que teve um papel principal na formação. O operador diferencial de Laplace, da qual depende muito a matemática aplicada, também recebe seu nome.

Ele se tornou conde do Império em 1806 e foi nomeado marquês em 1817, depois da restauração dos Bourbons.

Citações Pierre Simon Laplace

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„Eu não precisei fazer tal suposição.“

—  Pierre Simon Laplace
"Je n'avais pas besoin de cette hypothése-là", como resposta a Napoleão, que havia perguntado por que ele não havia mencionado Deus em seu livro sobre astronomia

„Como é fácil verificar…“

—  Pierre Simon Laplace
freqüentemente utilizado no Mecânica celeste, quando ele havia provado alguma coisa e perdido a prova ou a achou malfeita. Notória como sinal de algo verdadeiro, mas difícil de provar.

„Imaginary causes have gradually receded with the widening bounds of knowledge“

—  Pierre-Simon Laplace, Philosophical Essay on Probabilities
Philosophical Essay on Probabilities (1902), Context: Imaginary causes have gradually receded with the widening bounds of knowledge and disappear entirely before sound philosophy, which sees in them only the expression of our ignorance of the true causes.<!--p.3

„The theory of chance consists in reducing all the events of the same kind to a certain number of cases equally possible“

—  Pierre-Simon Laplace, Philosophical Essay on Probabilities
Philosophical Essay on Probabilities (1902), Context: The theory of chance consists in reducing all the events of the same kind to a certain number of cases equally possible, that is to say, to such as we may be equally undecided about in regard to their existence, and in determining the number of cases favorable to the event whose probability is sought.<!--p.6

„All these efforts in the search for truth tend to lead it“

—  Pierre-Simon Laplace, Philosophical Essay on Probabilities
Philosophical Essay on Probabilities (1902), Context: All these efforts in the search for truth tend to lead it [the human mind] back continually to the vast intelligence... but from which it will always remain infinitely removed. This tendency peculiar to the human race is that which renders it superior... and their progress in this respect distinguishes nations and ages and constitutes their true glory.<!--pp.4-5

„Given for one instant an intelligence which could comprehend all the forces“

—  Pierre-Simon Laplace, Philosophical Essay on Probabilities
Philosophical Essay on Probabilities (1902), Context: Given for one instant an intelligence which could comprehend all the forces by which nature is animated and the respective situation of the beings who compose it—an intelligence sufficiently vast to submit these data to analysis—it would embrace in the same formula the movements of the greatest bodies of the universe and those of the lightest atom; for it, nothing would be uncertain and the future, as the past, would be present to its eyes. The human mind offers, in the perfection which it has been able to give to astronomy, a feeble idea of this intelligence. Its discoveries in mechanics and geometry, added to that of universal gravity, have enabled it to comprehend in the same analytical expressions the past and future states of the system of the world.<!--p.4

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„The most important questions of life… are indeed for the most part only problems of probability.“

—  Pierre-Simon Laplace, Philosophical Essay on Probabilities
Philosophical Essay on Probabilities (1902), Context: The most important questions of life... are indeed for the most part only problems of probability. Strictly speaking it may even be said that nearly all our knowledge is problematical; and in the small number of things which we are able to know with certainty, even in the mathematical sciences themselves, the principal means for ascertaining truth—induction and analogy—are based on probabilities.<!--p.1

„"It is therefore obvious that…"“

—  Pierre-Simon Laplace
Frequently used in the Traité de mécanique céleste when he had proved something and mislaid the proof, or found it clumsy. Notorious as a signal for something true, but hard to prove.

„Translation: "The last thing we expect of you, General, is a lesson in geometry!"“

—  Pierre-Simon Laplace
"La dernière chose que nous attendions de vous, Général, est une leçon de géométrie !" Laplace to Napoléon, after the latter had reported on some new elementary geometry results[citation needed]

„Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Etiam egestas wisi a erat. Morbi imperdiet, mauris ac auctor dictum.“

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