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Old Digital Literacy
Tuesdays 13:00 - 13:45,

Semester 0 :: Historical Context
Session 5 :: The steampunk century

Order of the day
  1. Repetitio :: Between Rennaissance and Age of Reason
  2. Questio :: What is a "representation" ?
  3. Exercitio I:: Binary counting.
  4. Presentatio I :: Baroque calculating machines
  5. Lectio :: The steampunk period
    • Jacquard Loom
    • Charles Babbage
    • Ada Lovelace
    • George Boole
  6. Presentatio II :: Binary adder.
Question of the day
What is a representation ?

Etymology of the word "represent"
Mariam-Webster dict. definition of "representation"
Exercicio :: Binary counting
Jacquard Loom (c. 1801)
Somebody willing to make a video of the Jacquard Loom at the TM next week ?
Charles Babbage (1791 - 1871)
"the true value of ... religion rested, not on speculative [theology] upon those doctrines of kindness and benevolence which that religion claims and enforces, not merely in favour of man himself but of every creature susceptible of pain or of happiness" C. Babbage
Difference engine
Augusta Ada King, Countess of Lovelace (1812 - 1852)
From Ada's (1843)notes to Menabrea article

Note A, p. 694 :: Again, it [the Analytical Engine] might act upon other things besides number, were objects found whose mutual fundamental relations could be expressed by those of the abstract science of operations, and which should be also susceptible of adaptations to the action of the operating notation and mechanism of the engine . . . Supposing, for instance, that the fundamental relations of pitched sounds in the science of harmony and of musical composition were susceptible of such expression and adaptations, the engine might compose elaborate and scientific pieces of music of any degree of complexity or extent.

From Ada's (1843)notes to Menabrea article

The distinctive characteristic of the Analytical Engine, and that which has rendered it possible to endow mechanism with such extensive faculties as bid fair to make this engine the executive right-hand of abstract algebra, is the introduction into it of the principle which Jacquard devised for regulating, by means of punched cards, the most complicated patterns in the fabrication of brocaded stuffs...We may say most aptly that the Analytical Engine weaves algebraical patterns just as the Jacquard-loom weaves flowers and leaves.

George Boole (1815 - 1864)
Think what must have been the effect of the intense Hinduizing of three such men as Babbage, De Morgan, and George Boole on the mathematical atmosphere of 1830 - 1864. What share had it in generating the Vector Analysis and the mathematics by which investigations in physical science are now conducted? Mary Boole
An Investigation of the Laws of Thought on Which are Founded the Mathematical Theories of Logic and Probabilities
Logic functions



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