Everyone is intelligent.How can it be proven?

I see at least two approaches to this question:
- everyone has a given *degree* of intelligence,
- everyone has specific abilities (theory of Multiple intelligences).


1) "A person is not either intelligent or not intelligent, but rather everyone is intelligent to some degree, although some may be said to have the intelligence of a cabbage."
Source and further information:
http://www.kyphilom.com/www/txt/smarts.txt


2) "The theory of multiple intelligences was proposed by Howard Gardner in 1983 to more accurately define the concept of intelligence and to address the question whether methods which claim to measure intelligence (or aspects thereof) are truly scientific.
Gardner's theory argues that intelligence, particularly as it is traditionally defined, does not sufficiently encompass the wide variety of abilities humans display. In his conception, a child who masters multiplication easily is not necessarily more intelligent overall than a child who struggles to do so. The second child may be stronger in another kind of intelligence and therefore 1) may best learn the given material through a different approach, 2) may excel in a field outside of mathematics, or 3) may even be looking at the multiplication process at a fundamentally deeper level, which can result in a seeming slowness that hides a mathematical intelligence that is potentially higher than that of a child who easily memorizes the multiplication table."

"As one would expect from a theory that redefines intelligence, one of the major criticisms of the theory is that it is ad hoc. The criticism is that Gardner is not expanding the definition of the word "intelligence"; rather, he denies the existence of intelligence, as is traditionally understood, and instead uses the word "intelligence" whenever other people have traditionally used words like "ability". This practice has been criticized by Robert J. Sternberg (1983, 1991), Eysenck (1994), and Scarr (1985). Defenders of MI theory argue that the traditional definition of intelligence is too narrow, and thus broader definition more accurately reflects the differing ways in which humans think and learn. They would state that the traditional interpretation of intelligence collapses under the weight of its own logic and definition, noting that intelligence is usually defined as the cognitive or mental capacity of an individual, which by logical necessity would include all forms of mental qualities, not simply the ones most transparent to standardized I.Q. tests."
Source and further information:
http://en.wikipedia.org/wiki/Theory_of_multiple_intelligences

The proof is in the pudding so to speak. I don't agree that everyone is "intelligent" though I do agree we have different strengths/weaknesses, aptitudes, talents, abilities and the proof is in the product the person creates. I associate intelligence with the ability to reason, be rational, sensible, logical and with the ability to learn, comprehend, make connections, think. To a greater or lesser degree, some of us are better at it and some of us are not that great at it. Happy Saturday! :)

the fact that people can move and find ways to get what they need proves it.

get their iq

Intelligence is relative. It depends what you are comparing intelligence against.

All humans are intelligent compared to cats.
At the same time.
Cat's are geniuses compared to ants.
At the same time,
Ants are much smarter than Grass.

It could be said, that every living thing is intelligent, as long as it can be compared to something that doesn't have intelligence

The information that people recieve is all they know.Alot of people have learning disabilities and troble recieving information.If all you know is crime,pain and anger,good chance you will be deemed unitelligent,especially if you get caught alot.I don't know how it can be proven,but this is my take on the matter.