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start-λογικι-guile.scm
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start-λογικι-guile.scm
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;; this is the bootstrap file for λογικι (LOGIKI)
;; Damien Mattei
;; 22/11/2021
;; (load "start-λογικι-guile.scm")
;; examples:
;;scheme@(guile-user)> (infix-symb-min-dnf '{{(not a) and (not b) and (not c) and (not d)} or {(not a) and (not b) and (not c) and d} or {(not a) and (not b) and c and (not d)} or {(not a) and b and (not c) and d} or {(not a) and b and c and (not d)} or {(not a) and b and c and d} or {a and (not b) and (not c) and (not d)} or {a and (not b) and (not c) and d} or {a and (not b) and c and (not d)} or {c and (not d)}} )
;; ((!b ^ !c) v (c ^ !d) v (!a ^ b ^ d))
;;scheme@(guile-user)> (infix-symb-min-dnf '(or (and (not a) (not b) (not c) (not d)) (and (not a) (not b) (not c) d) (and (not a) (not b) c (not d)) (and (not a) b (not c) d) (and (not a) b c (not d)) (and (not a) b c d) (and a (not b) (not c) (not d)) (and a (not b) (not c) d) (and a (not b) c (not d)) (and c (not d))))
;; ((!b ^ !c) v (c ^ !d) v (!a ^ b ^ d))
;; verification with Mathematica:
;; In[1]:= BooleanMinimize[(!a && !b && !c && !d)
;; ||
;; (!a && !b && !c && d)
;; ||
;; (!a && !b && c && !d)
;; ||
;; (!a && b && !c && d)
;; ||
;; (!a && b && c && !d)
;; ||
;; (!a && b && c && d)
;; ||
;; (a && !b && !c && !d)
;; ||
;; (a && !b && !c && d)
;; ||
;; (a && !b && c && !d)
;; ||
;; (c && !d)]
;; Out[1]= (!a && b && d) || (!b && !c) || (c && !d)
;;
;; scheme@(guile-user)> (prefix->infix '(or (and (not a) (not b) (not c) (not d)) (and (not a) (not b) (not c) d) (and (not a) (not b) c (not d)) (and (not a) b (not c) d) (and (not a) b c (not d)) (and (not a) b c d) (and a (not b) (not c) (not d)) (and a (not b) (not c) d) (and a (not b) c (not d)) (and c (not d))))
;; ((!a and !b and !c and !d) or (!a and !b and !c and d) or (!a and !b and c and !d) or (!a and b and !c and d) or (!a and b and c and !d) or (!a and b and c and d) or (a and !b and !c and !d) or (a and !b and !c and d) or (a and !b and c and !d) or (c and !d))
(use-modules (srfi srfi-1) ;; for 'first' procedure
(srfi srfi-60) ;; for arithmetic-shift
;;(srfi srfi-28) ;; for format and escape ~
(ice-9 format)
;;(ice-9 hash-table) ;; built-in Hash Table
(srfi srfi-69) ;; SRFI 69 Hash Table
)
(include "rest.scm")
(include "increment.scm")
(include "r7rs/escape-char-r7rs-scheme.scm")
(include "r6rs/display-r6rs-scheme.scm")
(include "for-next-step.scm")
(include "set.scm")
(include "debug.scm")
(include "array.scm")
(include "symbolic.scm")
(include "simplify.scm")
(include "guile/binary-arithmetic.scm") ;; specialized for 'format'
(include "guile/map.scm") ;; specialized for 'andmap'
(include "list.scm")
(include "operation.scm")
(include "display-formula.scm")
(include "symbol.scm")
(include "minterms.scm")
(include "guile/logiki.scm")