# File:Example.jpeg

Original file(950 × 465 pixels, file size: 33 KB, MIME type: image/jpeg)

## File history

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Date/Time Thumbnail Dimensions User Comment current 14:35, 8 October 2009 950 × 465 (33 KB) Matteo Cavaliere (Talk | contribs) To each sentential form produced by the grammar $G$ the observer $A$ associates a symbol that can be $a,b,c,\bot$ or the empty symbol $\lambda$ (the vertical arrow is the observer mapping). Thus 14:33, 8 October 2009 950 × 465 (33 KB) Matteo Cavaliere (Talk | contribs)

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