• The Age of Enlightment was rather Dark (Was: The French Square Wheele Bicycle of Logic)

    From Mild Shock@janburse@fastmail.fm to sci.physics,sci.math,sci.physics.relativity on Wed Dec 10 21:22:53 2025
    From Newsgroup: sci.physics


    Hi,

    The French Enlightenment (roughly 1700rCo1789)
    produced extraordinary advances in mathematics,
    science, and philosophy, but its concept of geometry
    was still deeply tied to Euclid, and that limited
    what even brilliant thinkers could imagine.

    What was Euclid really doing?
    https://www.youtube.com/watch?v=M-MgQC6z3VU

    Amazingling during the French Engligment the
    Parallel Postuale was not yet recognized as
    independent. Rather we find:

    - Adrien-Marie Legendre (1752rCo1833)
    Repeatedly revised arguments to derive
    the parallel postulate

    - Joseph-Louis Lagrange (1736rCo1813)
    Gave a lecture trying to derive the parallel
    axiom from properties of similar triangles

    Bye

    Mild Shock schrieb:
    Hi,

    I always admired the French Teaching of Logic.
    This silly Philosophy Professor scolded me a couple
    of times with this nonsense, playing dumb and deaf,

    like a complete idiot:

    Me: LEM is derivable from RAA, in minimal logic.
    Prof: LEM is not even derivable from RAA in intuitionistic logic.
    Me: You didnrCOt use RAA as an inference schema!
    Prof: Our discussion is about logic and not about Prolog. I apologize.

    https://swi-prolog.discourse.group/t/needing-help-with-call-with-depth-limit-3/7398/78

    Still his prover demonstrates LEM from RAA:

    ?-prove((a | ~a)).
    \begin{prooftree}
    \AxiomC{\scriptsize{1}}
    \noLine
    \UnaryInfC{$ \lnot (A \lor \lnot A)$}
    \RightLabel{\scriptsize{$ \lor\to E$}}
    \UnaryInfC{$ \lnot \lnot A$}
    \AxiomC{\scriptsize{1}}
    \noLine
    \UnaryInfC{$ \lnot (A \lor \lnot A)$}
    \RightLabel{\scriptsize{$ \lor\to E$}}
    \UnaryInfC{$ \lnot A$}
    \RightLabel{\scriptsize{$ \to E $}}
    \BinaryInfC{$\bot$}
    \RightLabel{\scriptsize{$ IP $} 1}
    \UnaryInfC{$A \lor \lnot A$}
    \end{prooftree} https://g4-mic.vidal-rosset.net/wasm/tinker#prove((a%20%7C%20~a)).

    Please note that RAA = IP, synonymous names.
    Reductio Ad Absurdum and Indirect Proof.

    LoL

    Bye

    Mild Shock schrieb:
    Hi,

    In the coming age of analog computing,
    symbolic logic means nothing:

    rCLThe high data-rate sense perception and
    identification abilities of the human system
    mostly bypass verbal/analytic awareness. We
    are generally conscious of a cognitive
    recognition after the fact. In this way, what
    we understand as consciousness has to be
    identified as a reflexive monitoring ability
    with quite limited application. To produce
    consciousness (artificial or otherwise) we
    are stepping down, not up.rCY
    rCo Frank Herbert, Destination: Void

    Bye



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  • From Mild Shock@janburse@fastmail.fm to sci.physics,sci.math,sci.physics.relativity on Wed Dec 10 21:34:12 2025
    From Newsgroup: sci.physics

    Hi,

    Even Rene Descartes was not aware of the
    independence. DescartesrCOs failure has the same
    underlying cause as later ones.

    His algebraic setup already assumes Euclidean
    geometry. He used geometric intuitions that were
    secretly equivalent to EuclidrCOs axiom. He

    lacked the concept of alternate geometries.

    What an AI could have done (According to ChatGPT):

    (A) Reveal hidden assumptions in every failed proof
    An AI could:
    - symbolically analyze the proof
    - extract all uses of implicit Euclidean intuition
    - point out: rCLThis step assumes that similar triangles
    can be scaled arbitrarily, which is equivalent to
    the parallel postulate.rCY

    That kind of meta-analysis was unavailable to human
    mathematicians of the time.

    (B) Construct explicit models of non-Euclidean geometries
    The big conceptual leap of the 19th century was the ability
    to imagine a consistent geometry in which the parallel
    postulate is false.

    An AI could directly produce:
    - the Poincar|- disk model
    - the hyperboloid model
    - the upper half-plane model

    and demonstrate that all of EuclidrCOs axioms (except the
    parallel postulate) hold in these spaces.

    (C) Clarify the logical structure of axioms
    HilbertrCOs axiomatization (1899) came very late, but
    an AI could produce a clean formal structure centuries earlier:
    - incidence axioms
    - order axioms
    - congruence axioms
    - continuity axioms

    parallel axiom as a separate toggle
    This framework itself would have been revolutionary.

    Bye

    Disclaimer: Not sure how much of (A), (B) and (C) are
    fact or fuction. Don't have Google DeepMind company
    badge. See my other post

    Subject: Turing-Test to Birch++-Test [Professor Yang-Hui He]
    Date: Wed, 10 Dec 2025 14:55:28 +0100

    Mild Shock schrieb:

    Hi,

    The French Enlightenment (roughly 1700rCo1789)
    produced extraordinary advances in mathematics,
    science, and philosophy, but its concept of geometry
    was still deeply tied to Euclid, and that limited
    what even brilliant thinkers could imagine.

    What was Euclid really doing?
    https://www.youtube.com/watch?v=M-MgQC6z3VU

    Amazingling during the French Engligment the
    Parallel Postuale was not yet recognized as
    independent. Rather we find:

    - Adrien-Marie Legendre (1752rCo1833)
    -a Repeatedly revised arguments to derive
    -a the parallel postulate

    - Joseph-Louis Lagrange (1736rCo1813)
    -a Gave a lecture trying to derive the parallel
    -a axiom from properties of similar triangles

    Bye

    Mild Shock schrieb:
    Hi,

    I always admired the French Teaching of Logic.
    This silly Philosophy Professor scolded me a couple
    of times with this nonsense, playing dumb and deaf,

    like a complete idiot:

    Me: LEM is derivable from RAA, in minimal logic.
    Prof: LEM is not even derivable from RAA in intuitionistic logic.
    Me: You didnrCOt use RAA as an inference schema!
    Prof: Our discussion is about logic and not about Prolog. I apologize.

    https://swi-prolog.discourse.group/t/needing-help-with-call-with-depth-limit-3/7398/78


    Still his prover demonstrates LEM from RAA:

    ?-prove((a | ~a)).
    \begin{prooftree}
    \AxiomC{\scriptsize{1}}
    \noLine
    \UnaryInfC{$ \lnot (A \lor-a \lnot A)$}
    \RightLabel{\scriptsize{$ \lor\to E$}}
    \UnaryInfC{$ \lnot-a \lnot A$}
    \AxiomC{\scriptsize{1}}
    \noLine
    \UnaryInfC{$ \lnot (A \lor-a \lnot A)$}
    \RightLabel{\scriptsize{$ \lor\to E$}}
    \UnaryInfC{$ \lnot A$}
    \RightLabel{\scriptsize{$ \to E $}}
    \BinaryInfC{$\bot$}
    \RightLabel{\scriptsize{$ IP $}-a 1}
    \UnaryInfC{$A \lor-a \lnot A$}
    \end{prooftree} https://g4-mic.vidal-rosset.net/wasm/tinker#prove((a%20%7C%20~a)).

    Please note that RAA = IP, synonymous names.
    Reductio Ad Absurdum and Indirect Proof.

    LoL

    Bye

    Mild Shock schrieb:
    Hi,

    In the coming age of analog computing,
    symbolic logic means nothing:

    rCLThe high data-rate sense perception and
    identification abilities of the human system
    mostly bypass verbal/analytic awareness. We
    -a-a are generally conscious of a cognitive
    recognition after the fact. In this way, what
    we understand as consciousness has to be
    identified as a reflexive monitoring ability
    with quite limited application. To produce
    consciousness (artificial or otherwise) we
    are stepping down, not up.rCY
    rCo Frank Herbert, Destination: Void

    Bye




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  • From Ross Finlayson@ross.a.finlayson@gmail.com to sci.physics,sci.math,sci.physics.relativity on Wed Dec 10 12:53:10 2025
    From Newsgroup: sci.physics

    On 12/10/2025 12:34 PM, Mild Shock wrote:
    Hi,

    Even Rene Descartes was not aware of the
    independence. DescartesrCOs failure has the same
    underlying cause as later ones.

    His algebraic setup already assumes Euclidean
    geometry. He used geometric intuitions that were
    secretly equivalent to EuclidrCOs axiom. He

    lacked the concept of alternate geometries.

    What an AI could have done (According to ChatGPT):

    (A) Reveal hidden assumptions in every failed proof
    An AI could:
    - symbolically analyze the proof
    - extract all uses of implicit Euclidean intuition
    - point out: rCLThis step assumes that similar triangles
    can be scaled arbitrarily, which is equivalent to
    the parallel postulate.rCY

    That kind of meta-analysis was unavailable to human
    mathematicians of the time.

    (B) Construct explicit models of non-Euclidean geometries
    The big conceptual leap of the 19th century was the ability
    to imagine a consistent geometry in which the parallel
    postulate is false.

    An AI could directly produce:
    - the Poincar|- disk model
    - the hyperboloid model
    - the upper half-plane model

    and demonstrate that all of EuclidrCOs axioms (except the
    parallel postulate) hold in these spaces.

    (C) Clarify the logical structure of axioms
    HilbertrCOs axiomatization (1899) came very late, but
    an AI could produce a clean formal structure centuries earlier:
    - incidence axioms
    - order axioms
    - congruence axioms
    - continuity axioms

    parallel axiom as a separate toggle
    This framework itself would have been revolutionary.

    Bye

    Disclaimer: Not sure how much of (A), (B) and (C) are
    fact or fuction. Don't have Google DeepMind company
    badge. See my other post

    Subject: Turing-Test to Birch++-Test [Professor Yang-Hui He]
    Date: Wed, 10 Dec 2025 14:55:28 +0100

    Mild Shock schrieb:

    Hi,

    The French Enlightenment (roughly 1700rCo1789)
    produced extraordinary advances in mathematics,
    science, and philosophy, but its concept of geometry
    was still deeply tied to Euclid, and that limited
    what even brilliant thinkers could imagine.

    What was Euclid really doing?
    https://www.youtube.com/watch?v=M-MgQC6z3VU

    Amazingling during the French Engligment the
    Parallel Postuale was not yet recognized as
    independent. Rather we find:

    - Adrien-Marie Legendre (1752rCo1833)
    Repeatedly revised arguments to derive
    the parallel postulate

    - Joseph-Louis Lagrange (1736rCo1813)
    Gave a lecture trying to derive the parallel
    axiom from properties of similar triangles

    Bye

    Mild Shock schrieb:
    Hi,

    I always admired the French Teaching of Logic.
    This silly Philosophy Professor scolded me a couple
    of times with this nonsense, playing dumb and deaf,

    like a complete idiot:

    Me: LEM is derivable from RAA, in minimal logic.
    Prof: LEM is not even derivable from RAA in intuitionistic logic.
    Me: You didnrCOt use RAA as an inference schema!
    Prof: Our discussion is about logic and not about Prolog. I apologize.

    https://swi-prolog.discourse.group/t/needing-help-with-call-with-depth-limit-3/7398/78


    Still his prover demonstrates LEM from RAA:

    ?-prove((a | ~a)).
    \begin{prooftree}
    \AxiomC{\scriptsize{1}}
    \noLine
    \UnaryInfC{$ \lnot (A \lor \lnot A)$}
    \RightLabel{\scriptsize{$ \lor\to E$}}
    \UnaryInfC{$ \lnot \lnot A$}
    \AxiomC{\scriptsize{1}}
    \noLine
    \UnaryInfC{$ \lnot (A \lor \lnot A)$}
    \RightLabel{\scriptsize{$ \lor\to E$}}
    \UnaryInfC{$ \lnot A$}
    \RightLabel{\scriptsize{$ \to E $}}
    \BinaryInfC{$\bot$}
    \RightLabel{\scriptsize{$ IP $} 1}
    \UnaryInfC{$A \lor \lnot A$}
    \end{prooftree}
    https://g4-mic.vidal-rosset.net/wasm/tinker#prove((a%20%7C%20~a)).

    Please note that RAA = IP, synonymous names.
    Reductio Ad Absurdum and Indirect Proof.

    LoL

    Bye

    Mild Shock schrieb:
    Hi,

    In the coming age of analog computing,
    symbolic logic means nothing:

    rCLThe high data-rate sense perception and
    identification abilities of the human system
    mostly bypass verbal/analytic awareness. We
    are generally conscious of a cognitive
    recognition after the fact. In this way, what
    we understand as consciousness has to be
    identified as a reflexive monitoring ability
    with quite limited application. To produce
    consciousness (artificial or otherwise) we
    are stepping down, not up.rCY
    rCo Frank Herbert, Destination: Void

    Bye





    What if the other independent postulate
    to "parallel lines meet at infinity"
    is "lines have two angles at zero".

    Of course, axiomless natural deduction
    for axiomless geometry then making for
    that Euclid's geometry a model thereof
    naturally arises from reason itself,
    makes for that axiomless geometry that
    makes Euclidean geometry as an example,
    is a thing.


    DesCartes had plenty going on with regards
    to vortices and their spirals and mechanics,
    Poincare after Dirichlet gets a usual idea
    that much like Euclid's "smooth" plane is
    Poincare's "rough" plane.


    When "AI Math" met DesCartes, ....


    DesCartes was more than an Occam's nominalist,
    about enlightenment/renaissance and rationality/idealism.

    Deconstructive accounts may be variously structuralist.


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