• =?UTF-8?Q?Re=3A_universal_quantifiers=2C_because_g=E2=A4=A8=28g?= =?UTF

    From Jim Burns@21:1/5 to Ross Finlayson on Tue May 7 15:16:27 2024
    There is a different post which
    makes this thread more understandable.

    Message-ID: <1e875f8d-d6f8-4a16-b7a3-68424dc89a89@att.net>
    On 5/6/2024 4:15 PM, Jim Burns wrote:
    On 5/6/2024 3:36 PM, Ross Finlayson wrote:
    On 05/05/2024 03:02 PM, Jim Burns wrote:

    For my wish,
    I would like everyone to be clear on what
    standard.issue quantifiers and variables
    mean.

    I think that,
    way off in that glorious future,
    both you and I will be able to be
    satisfactorily understood.

    And what more could there be
    to wish for?

    Well, one might aver that extra-ordinary
    universal quantifiers are merely syntactic sugar,
    yet there's that in the low- and high- orders,
    or the first and final, that what they would
    reflect of the _effects_ of quantification,
    something like

    for-any A?
    for-each A+
    for-every A*
    for-all A$

    that it is so that the sputniks or extras
    of the quantification in the extra-ordinary,
    have that a quantifier disambiguation:
    is in the syntax.

    Then for the rest of it,

    Before you move on,
    could you explain what your notation means?
    Thanks in advance.

    On 5/6/2024 9:00 PM, Ross Finlayson wrote:
    On 05/06/2024 01:16 PM, Jim Burns wrote:
    [...]

    Well, first of all, it's after pondering that there
    is quantifier comprehension artifacts of the extra sort,
    as of a set of all sets, order type of ordinals, a universe,
    set of sets that don't contain themself, sets that contain
    themselves, and so on.

    Then, English affords "any, "each, "every, "all".

    The -any means for example that "it's always a fragment".
    So in this sense the usual universal quantifier is for-each.

    Then, for-each, means usual comprehension, as if an enumeration,
    or a choice function, each.

    Then, for-every, means as a sort of comprehension, where it
    so establishes itself again, any differently than -each,
    when -each and -every implies both none missing and all gained.

    Then, "for-all", sort of is for that what is so "for-each"
    and "for-every" is so, "for-all", as for the multitude as
    for the individual.

    Then, I sort of ran out of words, "any", "each", "every", "all",
    then that seems their sort of ordering, about comprehension,
    in quantification, in the universals, of each particular.

    About sums it up, ....

    Are there differences in syntax between
    'for.any' 'for.each' 'for.every' 'for.all' ?

    I take the following to be _standard.issue syntax_
    I am cribbing it from
    Elliott Mendelson's _Introduction to Mathematical Logic" https://www.karlin.mff.cuni.cz/~krajicek/mendelson.pdf
    |
    | ∀x:B(x) ⇒ B(t)
    |
    | ∀x:(B⇒C(x)) ⇒ (B⇒∀x:C(x))
    |
    | B |- ∀x:B
    |
    | ∃x:B ⇔ ¬∀x:¬B

    Mendelson's chapter "Quantification Theory"
    discusses why _that syntax_ starting from
    how Mendelson and a standard.issue mathematician
    expect truth to behave, and deriving
    _that syntax_ from those expectations.

    It's not fair to compare you and Mendelson,
    since he has behind him that horde of
    All.The.Standard.Issue.Mathematicians
    whose work he is passing on to a new generation.

    But I was hoping for something closer to Mendelson
    in nature from you.

    I think the question you will have to answer
    eventually is:
    Are there differences in syntax between
    'for.any' 'for.each' 'for.every' 'for.all' ?
    or
    you must be be reconciled to your distinctions
    being pointless.

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