var

var(rat)

:: Main variable (indeterminate) of rat.

return

indeterminate

rat

rational expression

• See section Types in Asir for main variable.
• Indeterminates (variables) are ordered by default as follows. x, y, z, u, v, w, p, q, r, s, t, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o. The other variables will be ordered after the above noted variables so that the first comer will be ordered prior to the followers.

[0] var(x^2+y^2+a^2);
x
[1] var(a*b*c*d*e);
a
[2] var(3/abc+2*xy/efg);
abc

References

section ord, section vars.

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