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From: "G.B." <bauhaus@futureapps.invalid>
Subject: Re: Ada 2012 Constraints (WRT an Ada IR)
Date: Mon, 5 Dec 2016 20:22:03 +0100
Date: 2016-12-05T20:22:03+01:00	[thread overview]
Message-ID: <o24emc$96j$1@dont-email.me> (raw)
In-Reply-To: <o23a8a$11e9$1@gioia.aioe.org>

On 05.12.16 09:58, Dmitry A. Kazakov wrote:
> It is either or, never both.

Allow me to consider this statement about assertions as part
of programming as done in general by programmers, assisted by
compilers and such:

  (for all It)[HALT("It is either or, never both.")]

We don't know in general, i.e. not before the fact. Where fact
is proof, or a run-time assertion failing to become true, or
an assumption like some kind of axiom such as "Like the LRM says".

But we can try to express what we think we know, regardless of
whether It is statically true or whether It should be tested
at run-time. At least we can do so until liability is extended
to include perfect functioning of each and every instruction
originating in statements of programs.

-- 
"HOTDOGS ARE NOT BOOKMARKS"
Springfield Elementary teaching staff

  parent reply	other threads:[~2016-12-05 19:22 UTC|newest]

Thread overview: 195+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-28 23:49 Ada 2012 Constraints (WRT an Ada IR) Shark8
2016-11-29  8:17 ` G.B.
2016-11-29 20:32   ` Shark8
2016-11-29 20:44     ` Dmitry A. Kazakov
2016-11-29 20:51       ` Shark8
2016-11-29 21:06         ` Dmitry A. Kazakov
2016-11-29 22:59           ` Shark8
2016-11-30  8:31             ` Dmitry A. Kazakov
2016-11-30 18:28               ` Shark8
2016-11-30 20:26                 ` Niklas Holsti
2016-12-01  0:16                   ` Shark8
2016-12-01 22:15                     ` Randy Brukardt
2016-11-30 20:45                 ` Dmitry A. Kazakov
2016-12-01  0:58                   ` Shark8
2016-12-01  8:55                     ` Dmitry A. Kazakov
2016-12-01 22:26                       ` Randy Brukardt
2016-12-02 16:21                         ` Dmitry A. Kazakov
2016-12-02 19:15                           ` Randy Brukardt
2016-12-03 10:21                             ` Dmitry A. Kazakov
2016-12-02 19:50                           ` G.B.
2016-12-03 10:23                             ` Dmitry A. Kazakov
2016-12-03 14:02                               ` G.B.
2016-12-03 16:26                                 ` Dmitry A. Kazakov
2016-12-04 15:28                                   ` Robert Eachus
2016-12-05  8:41                                     ` Stefan.Lucks
2016-12-05  8:58                                       ` Dmitry A. Kazakov
2016-12-05 11:09                                         ` Simon Wright
2016-12-05 18:42                                           ` Shark8
2016-12-05 22:13                                             ` Dmitry A. Kazakov
2016-12-06 20:51                                               ` Shark8
2016-12-06 21:07                                                 ` Dmitry A. Kazakov
2016-12-06 21:44                                                   ` Shark8
2016-12-06 23:23                                                     ` Randy Brukardt
2016-12-07 22:42                                                       ` Shark8
2016-12-07  1:08                                                     ` Dennis Lee Bieber
2016-12-07  6:36                                                       ` Niklas Holsti
2016-12-07 13:10                                                         ` Dennis Lee Bieber
2016-12-07 22:55                                                           ` Brian Drummond
2016-12-08  2:44                                                         ` Shark8
2016-12-07 10:04                                                       ` G.B.
2016-12-07 10:14                                                         ` G.B.
2016-12-07 10:51                                                         ` J-P. Rosen
2016-12-08 18:33                                                           ` G.B.
2016-12-09  8:26                                                             ` J-P. Rosen
2016-12-09  8:56                                                               ` G.B.
2016-12-10 15:13                                                                 ` Jacob Sparre Andersen
2016-12-11 19:50                                                                   ` Shark8
2016-12-05 22:07                                           ` Dmitry A. Kazakov
2016-12-06 23:09                                             ` Randy Brukardt
2016-12-07 10:03                                               ` Dmitry A. Kazakov
2016-12-07 22:37                                                 ` Randy Brukardt
2016-12-08  8:46                                                   ` Dmitry A. Kazakov
2016-12-10 15:24                                               ` Jacob Sparre Andersen
2016-12-09  9:12                                           ` Robert Eachus
2016-12-05 19:22                                         ` G.B. [this message]
2016-12-05 22:18                                           ` Dmitry A. Kazakov
2016-12-05 22:12                                         ` Randy Brukardt
2016-12-05 22:26                                           ` Dmitry A. Kazakov
2016-12-06  9:29                                             ` Simon Wright
2016-12-06 10:01                                               ` Dmitry A. Kazakov
2016-12-06 23:15                                             ` Randy Brukardt
2016-12-07 10:20                                               ` Dmitry A. Kazakov
2016-12-07 22:26                                                 ` Randy Brukardt
2016-12-08  8:57                                                   ` Dmitry A. Kazakov
2016-12-08  9:42                                                     ` G.B.
2016-12-08 10:03                                                       ` Dmitry A. Kazakov
2016-12-08 18:35                                                         ` G.B.
2016-12-09  9:38                                                           ` Dmitry A. Kazakov
2016-12-11 11:21                                                             ` G.B.
2016-12-11 12:28                                                               ` Dmitry A. Kazakov
2016-12-11 13:31                                                                 ` G.B.
2016-12-11 15:40                                                                   ` Dmitry A. Kazakov
2016-12-11 20:51                                                                     ` G.B.
2016-12-12  8:27                                                                       ` Dmitry A. Kazakov
2016-12-12 15:31                                                                         ` G.B.
2016-12-12 17:39                                                                           ` Dmitry A. Kazakov
2016-12-12 18:55                                                                             ` G.B.
2016-12-12 20:53                                                                               ` Dmitry A. Kazakov
2016-12-13  7:15                                                                                 ` G.B.
2016-12-13  8:27                                                                                   ` Dmitry A. Kazakov
2016-12-13 10:39                                                                                     ` G.B.
2016-12-13 11:19                                                                                       ` Dmitry A. Kazakov
2016-12-13 16:59                                                                                         ` G.B.
2016-12-13 21:11                                                                                           ` Dmitry A. Kazakov
2016-12-13 22:13                                                                                             ` Shark8
2016-12-14  8:42                                                                                               ` Dmitry A. Kazakov
2016-12-14 11:04                                                                                                 ` G.B.
2016-12-14 11:25                                                                                                   ` Dmitry A. Kazakov
2016-12-14 12:44                                                                                                     ` G.B.
2016-12-14 12:52                                                                                                       ` Dmitry A. Kazakov
2016-12-14 16:31                                                                                                         ` G.B.
2016-12-14 16:52                                                                                                           ` Dmitry A. Kazakov
2016-12-14 18:14                                                                                                             ` G.B.
2016-12-14 12:05                                                                                                 ` G.B.
2016-12-14 19:23                                                                                                 ` Shark8
2016-12-14 20:04                                                                                                   ` Dmitry A. Kazakov
2016-12-14 21:46                                                                                                     ` Shark8
2016-12-15  8:41                                                                                                       ` Dmitry A. Kazakov
2016-12-15 10:31                                                                                                         ` G.B.
2016-12-15 13:17                                                                                                           ` Dmitry A. Kazakov
2016-12-15 13:27                                                                                                             ` Dmitry A. Kazakov
2016-12-15 19:50                                                                                                             ` G.B.
2016-12-16 10:04                                                                                                               ` Dmitry A. Kazakov
2016-12-16 11:48                                                                                                                 ` G.B.
2016-12-16 12:56                                                                                                                   ` Stefan.Lucks
2016-12-16 19:59                                                                                                                     ` Randy Brukardt
2016-12-16 20:35                                                                                                                     ` G.B.
2016-12-17  9:33                                                                                                                       ` Stefan.Lucks
2016-12-19 22:57                                                                                                                         ` Randy Brukardt
2016-12-16 13:24                                                                                                                   ` Dmitry A. Kazakov
2016-12-15 14:34                                                                                                         ` Shark8
2016-12-15 14:53                                                                                                           ` Dmitry A. Kazakov
2016-12-15 22:34                                                                                                             ` Shark8
2016-12-16  8:28                                                                                                               ` Dmitry A. Kazakov
2016-12-17  3:46                                                                                                                 ` Shark8
2016-12-14 12:21                                                                                             ` G.B.
2016-12-14 12:55                                                                                               ` Dmitry A. Kazakov
2016-12-14 16:21                                                                                                 ` G.B.
2016-12-14 16:55                                                                                                   ` Dmitry A. Kazakov
2016-12-14 18:55                                                                                                     ` G.B.
2016-12-13 18:25                                                                                         ` Shark8
2016-12-13 21:11                                                                                           ` Dmitry A. Kazakov
2016-12-13 22:32                                                                                             ` Shark8
2016-12-14  8:54                                                                                               ` Dmitry A. Kazakov
2016-12-14 22:53                                                                                                 ` Randy Brukardt
2016-12-15  8:44                                                                                                   ` Dmitry A. Kazakov
2016-12-15 22:19                                                                                                     ` Randy Brukardt
2016-12-16  8:38                                                                                                       ` Dmitry A. Kazakov
2016-12-16 19:51                                                                                                         ` Randy Brukardt
2016-12-17  9:13                                                                                                           ` Dmitry A. Kazakov
2016-12-19 22:33                                                                                                             ` Randy Brukardt
2016-12-20 11:00                                                                                                               ` Dmitry A. Kazakov
2016-12-21  0:54                                                                                                                 ` Shark8
2016-12-21  0:59                                                                                                                 ` Randy Brukardt
2016-12-21 15:56                                                                                                                   ` Dmitry A. Kazakov
2016-12-21 18:26                                                                                                                     ` G.B.
2016-12-21 21:15                                                                                                                       ` Dmitry A. Kazakov
2016-12-22  9:54                                                                                                                         ` G.B.
2016-12-22 10:16                                                                                                                           ` Dmitry A. Kazakov
2016-12-14 11:46                                                                                             ` G.B.
2016-12-12 19:48                                                                             ` Shark8
2016-12-12 20:46                                                                               ` Dmitry A. Kazakov
2016-12-12 21:33                                                                                 ` Shark8
2016-12-13  8:28                                                                                   ` Dmitry A. Kazakov
2016-12-13 18:53                                                                                     ` Shark8
2016-12-13 21:11                                                                                       ` Dmitry A. Kazakov
2016-12-13 22:16                                                                                         ` Shark8
2016-12-14  9:00                                                                                           ` Dmitry A. Kazakov
2016-12-11 23:58                                                                   ` Paul Rubin
2016-12-12  8:33                                                                     ` Dmitry A. Kazakov
2016-12-12 15:23                                                                       ` G.B.
2016-12-12 15:51                                                                         ` G.B.
2016-12-09 21:46                                                     ` Randy Brukardt
2016-12-13 11:56                                         ` Alejandro R. Mosteo
2016-12-13 15:02                                           ` Dmitry A. Kazakov
2016-12-13 17:38                                             ` Alejandro R. Mosteo
2016-12-05 22:06                                       ` Randy Brukardt
2016-11-29 17:53 ` Niklas Holsti
2016-11-29 18:21   ` Dmitry A. Kazakov
2016-11-29 20:45   ` Shark8
2016-11-30  0:03     ` Randy Brukardt
2016-11-30  0:59       ` Shark8
2016-12-01 10:33   ` AdaMagica
2016-11-29 23:52 ` Randy Brukardt
2016-11-30  1:24   ` Shark8
2016-11-30 22:12     ` Randy Brukardt
2016-11-30  1:29   ` Shark8
2016-11-30 22:17     ` Randy Brukardt
2016-12-01  1:21       ` Shark8
2016-12-01 22:07         ` Randy Brukardt
2016-12-01 10:06   ` AdaMagica
  -- strict thread matches above, loose matches on Subject: below --
2016-12-09 21:41 Randy Brukardt
2016-12-09 22:32 ` Niklas Holsti
2016-12-13  0:41   ` Randy Brukardt
2016-12-13  2:34     ` Shark8
2016-12-13 22:35       ` Randy Brukardt
2016-12-14  0:38         ` Shark8
2016-12-13 20:45     ` Niklas Holsti
2016-12-13 23:19       ` Randy Brukardt
2016-12-14  0:53         ` Shark8
2016-12-14 22:22           ` Randy Brukardt
2016-12-13 22:45 Randy Brukardt
2016-12-14 22:40 Randy Brukardt
2016-12-15  8:48 ` Dmitry A. Kazakov
2016-12-15 22:24   ` Randy Brukardt
2016-12-16  8:40     ` Dmitry A. Kazakov
2016-12-16 19:46       ` Randy Brukardt
2016-12-16 20:14         ` Dmitry A. Kazakov
2016-12-19 22:52           ` Randy Brukardt
2016-12-20 10:59             ` Dmitry A. Kazakov
2016-12-21  0:50               ` Randy Brukardt
2016-12-21 15:56                 ` Dmitry A. Kazakov
2016-12-21 22:03 Randy Brukardt
2016-12-21 23:02 ` Shark8
2016-12-21 22:12 Randy Brukardt
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