The first one can be seen either way. For me, I saw a vase first. In all of the pictures, the black drawing is considered the positive space and the white background behind it is considered to be the negative space. If you look at the vase picture again and imagine the background to be the black portion, you see two faces.
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Antonio Lucio Vivaldi
Antonio Vivaldi, in full Antonio Lucio Vivaldi, (born March 4, 1678, Venice, Republic of Venice [Italy]—died July 28, 1741, Vienna, Austria), Italian composer and violinist who left a decisive mark on the form of the concerto and the style of late Baroque instrumental music.
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The Socratic Method" is a pretty vague term covering a huge array of notions. That in itself makes it too vague to be useful.
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Shading-it helps show movement and depth. Dark colour-it helps show difference. Layering and overlapping-it creates a texture that make your painting/art look like its 3D.
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