Section 14 Want more of a challenge? View in iconic form (experimental)

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       # MATH illustrate pairs
[hear] (assign x (cons 3 4) / = (car / x) 3);

[hear] (assign x (cons 3 4) / = (cdr / x) 4);

[hear] (assign x (cons 9 1) / = (car / x) 9);

[hear] (assign x (cons 9 1) / = (cdr / x) 1);

[hear] (assign x (cons 7 8) / = (car / x) 7);

[hear] (assign x (cons 7 8) / = (cdr / x) 8);

[hear] (assign x (cons 16 / cons 6 13) /
         = (car / x) 16);

[hear] (assign x (cons 16 / cons 6 13) /
         = (car / cdr / x) 6);

[hear] (assign x (cons 16 / cons 6 13) /
         = (cdr / cdr / x) 13);

[hear] (assign x (cons 14 / cons 11 5) /
         = (car / x) 14);

[hear] (assign x (cons 14 / cons 11 5) /
         = (car / cdr / x) 11);

[hear] (assign x (cons 14 / cons 11 5) /
         = (cdr / cdr / x) 5);

[hear] (assign x (cons 2 / cons 9 7) /
         = (car / x) 2);

[hear] (assign x (cons 2 / cons 9 7) /
         = (car / cdr / x) 9);

[hear] (assign x (cons 2 / cons 9 7) /
         = (cdr / cdr / x) 7);

[hear] (assign
          x
          (cons 1 /
           cons 4 /
           cons 3 /
           cons 0 2) /
         and (= 1 / car / x) /
         and (= 4 / car / cdr / x) /
         and (= 3 / car / cdr / cdr / x) /
         and (= 0 /
              car /
              cdr /
              cdr /
              cdr /
              x)
             (= 2 /
              cdr /
              cdr /
              cdr /
              cdr /
              x));