This is worse asked as "how do we know variability exists". A variable is an intuitive concept, although it's full technical description is not necessary for a primary / elementary school child to learn how to use variables in function space.
We have dependent variables and independent variables, and clearly it means that which can be varied, but what creates variability?
In some descriptions of mathematics you'll find there is explained this idea that the null set is the basis of numeration, but 0 was invented long after numeration had transitioned from being invented to being discovered.
"A variable is a symbol for a number that is liable to change"
Yes, but what creates the variable? What allows for us to know this is a mathematically sound idea?
I learnt variables in grade 4, but I'd like to relearn them as a 4th year.
According to BUDDHIST Philosophy
Patthavi, Apo, Thejo, Vayo, Akasa and Vinnana
1) PATTHAVI = It is HARDNESS whether it is caused by Basalt, Granite or Merely a Plasma Energy Field
2) APO = FLUIDITY, the Quality or Ability to Flow, Move, etc.
3) THEJO = HEAT or the LACK of it
4) VAYO = VOLATILITY, EXPANSIVESS as in AIR, Gasses or Vapours (Even if they are made of Liquid Droplets or Dust / Ash Particles
Interestingly, this VAYO, is Also that which Allows Muscles to Flex (before they become hard) => Try Telling that to Bodybuilders !!!!!!!
5) AKASA = Physical EMPTINESS, SPACE, What is there Between Objects and People (Not ONLY
It should be understood, that ALL the ABOVE Causes are RELATIVE.
6) VINNANA = CONSCIOUSNESS or AWARENESS is the Last One. This (According to the Lord BUDDHA) is the Real MAGICIAN, TRICKSTER Or Culprit.
Where there are ONLY Patthavi, Apo, Thejo, Vayo and Akasa, VINNANA the Magician, shows us a Magical Wonderland, a Garden of Eden with Trees, Animals People, Objects, etc. which VINNANA then helps us Classify into things we Like, things we Do Not Like or things which are NEUTRAL to our Attachment.
When I say CONSCIOUSNESS, please remember this is Not in the Western Cartesian Sense of "I think, Therefore I am"
According to the BUDDHA, Consciousness is Sixfold.
Due to Sensory Inputs to the Six Senses (Eye, Ear, Nose, Throat, Tongue, Body and Mind), Sight, Sound, Smell, Taste, Touch and "Dhamma" (for the Mind) Arises, and From those Six Interacting with the External Senses, Arise Six-Fold Consciousness for Each of the Senses, Ultimately producing Thought(s).
The first Thoughts are "Recognition". These Primary thoughts of Recognition are what Meditation Practitioners are told to concentrate / Fixate on.
The Secondary thoughts are the Likes, Dislikes, Greed, Lust, Hate,.... and they are Most Often, Defilements of the Mind.
I find this question interesting, along with the answers.
I think to consider or treat a concept as variable, it is necessary to quantify it and link it with another.
Variability occurs from the elliptically-curved or shortest path that the fastest speed, namely light, more specifically NONlinear c2 light, travels; variability would never occur if space were solely infinitely linear (as tangent, derivative or speed of a line is 0, a vacuum, black holes).
An ellipse has BOTH a major axis or relatively linear straightaway AND a much more nonlinear or curved minor axis. I would equate this minor axis, or sharper curvature of light's elliptical path, with the gravitational magnetism of electromagnetism (orthogonal, parabolic light c2 or c-squared at h, the Big Bang). Gravitational because as light enters this shorter, more condensed curvature along the minor axis, light must slow or vary FROM a relatively linear constant c along the major axis TO c2 at h along the minor axis, while IN SLOWING, forming slower frequencies of energy, such as sound, chemical, etc., and various densities of matter, such as quanta, elements, DNA, planets and galaxies -- matter (gravity) being slowed or stored energy. In conclusion, I would propose however that ultimately this variability occurs invariably at a constant rate, following the Ulam spiral or a primes distribution in conjunction with Grigory Perelman's Poincaré conjecture solution (please see my other posts).
To a child awakening for school everyday, light would not be an intuitive concept.
Has Anyone realized that we cannot really measure many natural parameters directly ?
Before the "Digital Electronics" Paradigm came into Existence, it was Either Length of Angle which we measured. When Measuring Temperature or Pressure for example, we measured the Length of a Column of Mercury, Alchohol or some other Liquid, Solid or Gas.
When weighing objects using a Balance, we measured the Angle.
After Electrical of Electronic Technology came, we simply look at the Numbers Generated by a Monitor or Look at (or Again Measure) the Spectrum of Light either from Celestial Objects or the light w.r.t. the Chemical / Physical Processes here on Earth.
So without Direct Measurements, how many Variable Parameters are actually Realistic ?
Are we or Aren't we trusting technology too much ?
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