### Related

Calculate

input: set(a,b,d);

result: isEqual(x,mus...

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simetricni(X):=block(...

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input: set(a,b,d);

result: is(equal(inpu...

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Calculate

input: set(a,b,d);

result: is(equal(inpu...

Calculate

input: set(a,b,d);

result: equal(input,m...

Calculate

Calculate

input: set(a,b,d);

result: isEqual(input...

Calculate

input: set(a,b,d);

result: isEqual(x,mus...

Calculate

Run Example
```(%i1)input:  set(a,b,d);
(%o1)                              {a, b, d}
(%o2)                          {{a, b, c}, c, d}
(%i3) result: isEqual(x,muster);
(%o3)                    isEqual(x, {{a, b, c}, c, d})
(%i4) print(result);
isEqual(x, {{a, b, c}, c, d})
(%o4)                    isEqual(x, {{a, b, c}, c, d})
(%i5) ```
Run Example
```input:  set(a,b,d);
(%o1)                              {a, b, d}
(%o2)                          {{a, b, c}, c, d}
(%i3) result: isEqual(input,muster);
(%o3)                isEqual({a, b, d}, {{a, b, c}, c, d})
(%i4) ```
Run Example
```adjoin (c, {a, b});
(%o1)                              {a, b, c}