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/ Language/OS - Multiplatform Resource Library / LANGUAGE OS.iso / t3_1 / tman.lha / tman / list.tex / img25.png

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Portable Network Graphic  |  1988-10-28  |  21KB  |  1241x278  |  8-bit (22 colors)

Labels: text | screenshot | font | graphics | graphic design | black and white
OCR: (MEMQ? 'B'(A B C)) (MEMQ? 'B'(A (B Ć) D))= (MEMQ? 'B'(B)) Returns true if object is an element of list. (MEMQ? 'B'()) (MEMQ? 17 (1017)) (MEMQ? foo '(foo bar)) (LET ((X foo)) (MEMQ? X (LIST 'B X)))=true ⇒true >false true >false undefined ⇒undefined

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