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  2. Unity of opposites - Wikipedia

    en.wikipedia.org/wiki/Unity_of_opposites

    Thus, a unity of opposites is present in the universe simultaneously containing difference and sameness. An aphorism of Heraclitus illustrates the idea as follows: The road up and the road down are the same thing. (Hippolytus, Refutations 9.10.3) This is an example of a compresent unity of opposites. For, at the same time, this slanted road has ...

  3. Ambiguous image - Wikipedia

    en.wikipedia.org/wiki/Ambiguous_image

    In ambiguous images, detecting edges still seems natural to the person perceiving the image. However, the brain undergoes deeper processing to resolve the ambiguity. For example, consider an image that involves an opposite change in magnitude of luminance between the object and the background (e.g.

  4. Draw-a-Scientist Test - Wikipedia

    en.wikipedia.org/wiki/Draw-a-Scientist_Test

    The Draw-A-Scientist Test (DAST) is an open-ended projective test designed to investigate children's perceptions of the scientist. Originally developed by David Wade Chambers in 1983, the main purpose was to learn at what age the well known stereotypic image of the scientist first appeared.

  5. List of topics characterized as pseudoscience - Wikipedia

    en.wikipedia.org/wiki/List_of_topics...

    Christian Science is generally considered a Christian new religious movement; however, some have called it "pseudoscience" because its founder, Mary Baker Eddy, used "science" in its name, and because of its former stance against medical science. Also, "Eddy used the term Metaphysical science to distinguish her system both from materialistic ...

  6. Demarcation problem - Wikipedia

    en.wikipedia.org/wiki/Demarcation_problem

    In philosophy of science and epistemology, the demarcation problem is the question of how to distinguish between science and non-science. [1] It also examines the boundaries between science, pseudoscience and other products of human activity, like art and literature and beliefs.

  7. Paradox - Wikipedia

    en.wikipedia.org/wiki/Paradox

    For example, the Grelling–Nelson paradox points out genuine problems in our understanding of the ideas of truth and description. Sometimes described since Quine's work, a dialetheia is a paradox that is both true and false at the same time. It may be regarded as a fourth kind, or alternatively as a special case of antinomy.

  8. Aerial photographic and satellite image interpretation

    en.wikipedia.org/wiki/Aerial_photographic_and...

    Reaching the requirements of the two chosen, overlapping images is simple. The principal points (central point of the image in geometry) of the two photos must be in different locations on the terrain. [2] Another restriction is that the scale of the images must be the same. [2] The flying routes of the planes and the time of day are not ...

  9. Abstract and concrete - Wikipedia

    en.wikipedia.org/wiki/Abstract_and_concrete

    In philosophy and the arts, a fundamental distinction exists between abstract and concrete entities. While there is no universally accepted definition, common examples illustrate the difference: numbers, sets, and ideas are typically classified as abstract objects, whereas plants, dogs, and planets are considered concrete objects.