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Topic: Time loop logic

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  Time loop logic - Wikipedia, the free encyclopedia
Time loop logic is a system of computation that requires the computer to be able to send data backwards through time, and relies upon the Novikov self-consistency principle to force the result of a computation sent backwards through time to be correct.
Of course, time loop logic is a purely theoretical exercise at this point.
Time loop logic gives rise to an ontological paradox, which may or may not be possible.
en.wikipedia.org /wiki/Time_loop_logic   (400 words)

 Novikov self-consistency principle - Wikipedia, the free encyclopedia
Time loop logic is an application of this principle to (hypothetical) computers capable of sending information back through time.
While in the building where the fire started, he or she accidentally knocks over a kerosene lantern and causes a fire, the same fire that would inspire him or her, years later, to travel back in time.
This situation is entirely consistent — after travelling back in time the person "fulfills" the events in the "past" which "already happened" (from the perspective of the future).
en.wikipedia.org /wiki/Novikov_self-consistency_principle   (527 words)

 Time [Internet Encyclopedia of Philosophy]   (Site not responding. Last check: 2007-10-22)
If physical time, psychological time, and biological time are three different kinds of time, then three answers are required to the question "What is time?" and some commentary is required regarding their relationships, such as whether one is the most fundamental.
Spacetime is four-dimensional and a continuum, with time being a distinguished, one-dimensional sub-space of this continuum.
Proper time along a worldline in 4-d spacetime is the time elapsed by an object having that worldline, as shown on an ideal clock having the same worldline.
www.utm.edu /research/iep/t/time.htm   (16669 words)

 Introduction to Philosophy:Logic:Paradoxes - Wikibooks, collection of open-content textbooks
A predestination paradox, or causal loop, is a paradox of time travel.
It exists when a time traveller is caught in a loop of events that "predestines" him to travel back in time.
The grandfather paradox is a paradox of time travel, supposedly first conceived by the science fiction writer René Barjavel in his book "Future times three" ("Le voyageur imprudent", 1943).
en.wikibooks.org /wiki/Introduction_to_Philosophy:Logic:Paradoxes   (637 words)

 Java Modeling: A UML workbook, Part 2
This time, we'll explore the role of conditional logic in a generic sequence diagram, thus expanding your knowledge of UML notation.
loops deal with complicated logic that does not allow the number of iterations to be statically determined, you will not often employ this form of bracket notation.
loop is a perfect example to close with, as it combines a loop with a condition.
www-106.ibm.com /developerworks/library/j-jmod0605/index.html   (1709 words)

 Apple - Logic
Logic Pro 7 features new instruments and effects, state-of-the-art loop composition tools as well as optimizations for the PowerPC G5 processor and Mac OS X, forming a highly productive system that will change the way you compose, record, edit and mix music in any studio environment.
Logic also uses this functionality when you import GarageBand compositions, preserving every detail as you migrate the sessions for editing and producing in a truly professional environment.
Logic Express provides the same working environment as Logic Pro 7 with scaled-back features for students and hobbyists.
apple.com /logic   (690 words)

The other constraint is that while forward travel in time is possible it would be out of the question to travel back to other ages.
Gotts time travel theory involves the close approach of two cosmic strings whose combined influence would be capable of upsetting spacetime in such a way as to make time travel possible.
It is also worth mentioning that many of these time slip experiences have occurred in or around the vicinity of ley lines which are believed to be invisible channels of Earth energy.
www.nasca.org.uk /time/time.html   (2007 words)

Time was a rigid universal framework for the clockwork processes of physical law, without the slightest hint of a mechanism for evading its unvarying progress.
The loop with the inverter, on the other hand, is a simple case of the classical time travel grandfather paradox, a paradoxical causal loop.
Having accepted time travel logic, the operation of the first single move unit is easy to intuit--it simply evaluates a few dozen possibilities and returns the answer, through the agency of a negative time delay, before its deliberations are complete.
www.frc.ri.cmu.edu /users/hpm/project.archive/general.articles/1991/TempComp.html   (6623 words)

 Effects of time optimization   (Site not responding. Last check: 2007-10-22)
Time optimization causes loops that are not known at compile time if they will execute at least one time to have the loop test code generated at the top of the loop as well.
This only happens when loop optimizations such asinduction, invariant and rewriting are enabled, as the optimizer has the duty ofdetermining the loop depth.
Time optimization causes the code generator to be biased towards generating a jump table for CASEs rather than comparisons.
www.modula2.org /sb/websitearchive/env/index574.htm   (424 words)

 Computer, Telephony and Electronics Glossary and Dictionary
Typically, in xDSL, latency refers to the delay in time between the sending of a unit of data at one end of a connection, until the receipt of that unit at the destination.
That logic definition suggests a repetitive nature, such that selections made once by logic will be made the same always, unless changes are made to the selection criteria.
Loran time was zero at 0h 1-Jan-1958 and since it is not affected or altered by leap seconds it is now ahead of UTC by 22 seconds, as of this update.
www.csgnetwork.com /glossaryl.html   (4193 words)

 Apple - Logic Pro - Feature Overview   (Site not responding. Last check: 2007-10-22)
Apple Loops support lets you choose samples easily from huge libraries of both prerecorded and software instrument loops then produce in real-time.
Logic Pro includes nine synthesizers, Sculpture, Ultrabeat, ES1, ES2, EFM1, ESM, ESE, ESP and EVOC Polysynth, that generate any sound, natural or not.
Logic Pro gives you all the staple studio processing tools necessary to make your music sound its best, from precise EQ to state-of-the-art reverb.
www.apple.com /logicpro/featureoverview.html   (567 words)

 Limiting Game Logic Speed - While Loop= Blocking - GameDev.Net Discussion Forums   (Site not responding. Last check: 2007-10-22)
The game logic updates give your graphics card time to finish the rendering tasks you've given it, which are being performed in parallel while your CPU works on your game logic tasks.
Remove the game logic update, and all you've done is waste more time waiting around for the GPU to finish, and limit your input updates.
I see the logic in that, however, I think those problems can be solved in other ways that would allow the best of both worlds.
www.gamedev.net /community/forums/viewreply.asp?ID=1780965   (1995 words)

 Professor Predicts Human Time Travel This Century
Einstein showed that time is affected by motion, and his theories have been demonstrated experimentally by comparing time on an atomic clock that has traveled around the earth on a jet.
If you need the mass of a fl hole to make a time machine, then take that mass and multiply it by the square of the speed of light, and that is how much energy in electron volts you will need to make a time machine with light.
If the presence of light affected the passage of time then emission spectra would be altered in areas of high photon density (eg the surface of a star)..
www.physorg.com /news63371210.html   (2059 words)

 Looping logic
Looping is a process by which a script loops through a set of statements repeatedly.
The “for” statement is a particular kind of loop.
Each time it does so, it set’s the current element as the variable “bird”.
www.worldviz.com /vizhelp/Looping_logic.htm   (122 words)

 What is loop? - A Word Definition From the Webopedia Computer Dictionary   (Site not responding. Last check: 2007-10-22)
In a loop structure, the program asks a question, and if the answer requires an action, it is performed and the original question is asked again until the answer is such that the action is no longer required.
For example, a program written to compute a company’s weekly payroll for each individual employee will begin by computing the wages of one employee and continue performing that action in a loop until there are no more employee wages to be computed, and only then will the program move on to its next action.
All logic problems in programming can be solved by forming algorithms using only the three logic structures, and they can be combined in an infinite number of ways.
www.webopedia.com /TERM/l/loop.html   (360 words)

 U2 Lounge
The grandfather paradox is a paradox of time travel, supposedly imagined by the SF writer René Barjavel in his book "Future times three" in 1943.
We cannot talk to hydrogen atoms and ask them if they travel in closed loop histories, but we can observe that there is a shift in the light given off by hydrogen atoms, which indicates that their electrons are moving in closed loops.
When Time Traveller returns in time an exact copy of the world of his grandfather is created on the moment he arrives.
u2lounge.blogspot.com   (3778 words)

 Time Travel Portal :: View topic - Is There A Metaphysical/Spiritual Dimension to Time Loops?
Here would be the time when most individuals are independent enough to determine their course in life.....
Until we find the tools to evaluate time loops (in order to see whether or not they connect with the "individual" human experience) we might be left with only "reason" at first.
Time loops and "neighboring universes" make it very easy to understand the work of clairvoyants and prophets......, an individual who has the uncanny ability to "bridge the gap" and touch another reality.
timetravelportal.com /viewtopic.php?p=6362   (1408 words)

 University Of Warwick Physics Doctoral Student Bends Time To Prove Einstein Was Right
The general theory of relativity says that the position, energy and momentum of any object can all be measured with infinite precision which is at direct variance with the uncertainties in the same measurements that are an essential part of tested and proven theory of quantum mechanics.
This ability of a particle to use a loop of time could answer such questions in quantum theory as how elementary particles still seem to have an instantaneous affect on each other even when separated.
This would let the particle make use of the bend in time but would preclude any other outside agency from accessing the time loop - so even with this theory time travelling men are not terribly likely.
www.eurekalert.org /pub_releases/1997-06/UoW-UOWP-230697.php   (386 words)

 Pointer Assertion Logic   (Site not responding. Last check: 2007-10-22)
Pointer Assertion Logic is a notation for expressing assertions about the heap structure of imperative languages.
It allows programmers to specify pre- and post-conditions of procedures, loop invariants, and other assertions in Weak Monadic Second-order Logic of Graph Types - a logic that allows many common data structures to be expressed.
It is an implementation of a decision procedure for weak monadic second-order logic on trees using guided tree automata and other sophisticated techniques.
www.brics.dk /PALE   (560 words)

 Tip: Loop with recursion in XSLT
After all, XSLT is missing some features that are important to a lot of algorithms, including loops and mutable variables.
However, regardless of the loop's type, the order of execution matters, and this is antithetical to functional programming.
In functional languages, most tasks that are accomplished with loops in traditional languages are instead accomplished with recursion.
www-128.ibm.com /developerworks/xml/library/x-tiploop.html   (1091 words)

 Programming in Real-Time Specification for Java (RTSJ): A Conversation with Distinguished Engineer Greg Bollella
If it's not enough and their pauses are still too much, or they can't really understand their program well, and get some unpredictable pauses from the garbage collector, then they might have to recode parts of it using NHRTs and scoped memory.
In the past, the application logic handled truly asynchronous events from outside the application process domain through the processor interrupting the application logic, taking care of the asynchronous issue on its own, beneath the level of visibility of any scheduling or dispatching mechanism.
Developers who enter the Challenge have to write a polling loop that gathers the sensor data and continually monitors whether the car is over a sensor.
java.sun.com /developer/technicalArticles/Interviews/Bollella_qa2.html?feed=JSC   (2738 words)

 A Configurable Logic Architecture for Dynamic Hardware/Software Partitioning   (Site not responding. Last check: 2007-10-22)
In previous work, we showed the benefits and feasibility of having a processor dynamically partition its executing software such that critical software kernels are transparently partitioned to execute as a hardware coprocessor on configurable logic — an approach we call warp processing.
The configurable logic place and route step is the most computationally intensive part of such hardware/software partitioning, normally running for many minutes or hours on powerful desktop processors.
Thus, our configurable logic architecture represents a good candidate for platforms that will support dynamic hardware/software partitioning, and enables ultra-fast desktop tools for hardware/software partitioning, and even for fast configurable logic design in general.
csdl2.computer.org /persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/date/2004/2085/01/2085toc.xml&DOI=10.1109/DATE.2004.1268892   (286 words)

 Dexterity Software Forums - The Arkanoid Jitters
I thought it might be my timing system so I converted the whole game loop over to a fixed time logic loop which renders as much as possible.
The second one works well most of the time, but you'll get some tearing or jerkyness at the times when the monitor electron beam happens to be crossing your ball at the moment it's being drawn.
It may just be because every frame isn't the same amount of time, and I need to average timing data somehow or soemthing, or maybe it is a rounding error somewhere...
www.indiegamer.com /archives/t-3265.html   (3524 words)

 SQL/SPROC beginner: Loop logic problem - Dev Shed
Discuss SQL/SPROC beginner: Loop logic problem in the MS SQL Development forum on Dev Shed.
SQL/SPROC beginner: Loop logic problem MS SQL Development forum discussing administration, MS SQL queries, and other MS SQL-related topics.
My guess is that it is failing because you are returning just a variable and nothing for the recordset.
forums.devshed.com /ms-sql-development-95/sql-sproc-beginner-loop-logic-problem-291672.html   (892 words)

 California PATH task order 4143Task 2   (Site not responding. Last check: 2007-10-22)
Study on the section travel time estimation methods based on mainline loop detector station data.
The section is defined as the freeway segment between two adjacent mainline loop detector stations.
Study and develop the algorithm to fuse loop detector data and probe vehicle data.
www.its.uci.edu /~lchu/to4143_datafusion.html   (200 words)

 Logic | TPMCafe
In case anyone is wondering, "limited" means "limited in time and space." This might be an improvement for Bush, where he started a war based on unlimited guessing about what the enemy might do.
Bush violated the law; he usurped constitutional powers of congress and the courts; he violated the constitutional rights of US citizens and hs is not telling the truth about what he did or why.
We all do it from time to time, but the man's facility and imagination in going to that well over and over and over is, well, ingenious.
www.tpmcafe.com /story/2006/1/1/173035/9040   (3949 words)

 TIME.com: The YouTube War -- Page 1
However, while they offer the credibility of an unvarnished image, they lack any meaningful context of what came before and after the clip, or what's happening outside the frame.
One veteran described them to the Wall Street Journal as "kind of like the ESPN highlight reels — the music is pumping and everyone was running around." Another soldier told the Los Angeles Times, "If I had a copy of it, and MTV called, I'd sell it." He may yet get a chance.
The special closes a loop in pop culture, since these clips are essentially music videos.
www.time.com /time/nation/article/0,8599,1216501,00.html?cnn=yes   (900 words)

 Computer Hardware Logic
An excellent example of such a beast (used a fuse link prom I think) was the Apple 2 floppy disk controller - The IWM - stood for Integrated Woz Machine (designed by Steve Wozniak) and used a state machine and no uP.
Very very simple logic - much cheaper than the state of the art then and for some time which was the eg (ugh) WD1771 FDC.
I have seen EPROM used in such designs occasionally in more recent times - EA mag I think used one as a divider to convert period to frequency in I think a car computer.
techref.massmind.org /techref/logics.htm   (553 words)

 Active Server Pages (ASP): Loop Logic
I need a little advice on a logic loop.
I am readin records with numeric fields which I am totalling on each time the field called sitename changes.
How would some sample code to loop through this look
www.experts-exchange.com /Web/Web_Languages/ASP/Q_21304133.html   (175 words)

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