Fix AW/66

	* algebra/zerodim.spad.pamphlet: Restore use of one? 
	* algebra/updivp.spad.pamphlet: Likewise.
	* algebra/unifact.spad.pamphlet: Likewise.
	* algebra/triset.spad.pamphlet: Likewise.
	* algebra/tools.spad.pamphlet: Likewise.
	* algebra/suts.spad.pamphlet: Likewise.
	* algebra/sttaylor.spad.pamphlet: Likewise.
	* algebra/string.spad.pamphlet: Likewise.
	* algebra/sregset.spad.pamphlet: Likewise.
	* algebra/si.spad.pamphlet: Likewise.
	* algebra/sf.spad.pamphlet: Likewise.
	* algebra/riccati.spad.pamphlet: Likewise.
	* algebra/rf.spad.pamphlet: Likewise.
	* algebra/regset.spad.pamphlet: Likewise.
	* algebra/rderf.spad.pamphlet: Likewise.
	* algebra/rdeef.spad.pamphlet: Likewise.
	* algebra/quat.spad.pamphlet: Likewise.
	* algebra/puiseux.spad.pamphlet: Likewise.
	* algebra/pscat.spad.pamphlet: Likewise.
	* algebra/prtition.spad.pamphlet: Likewise.
	* algebra/prs.spad.pamphlet: Likewise.
	* algebra/primelt.spad.pamphlet: Likewise.
	* algebra/polycat.spad.pamphlet: Likewise.
	* algebra/poly.spad.pamphlet: Likewise.
	* algebra/polset.spad.pamphlet: Likewise.
	* algebra/pfo.spad.pamphlet: Likewise.
	* algebra/perm.spad.pamphlet: Likewise.
	* algebra/pattern.spad.pamphlet: Likewise.
	* algebra/padiclib.spad.pamphlet:Likewise.
	* algebra/openmath.spad.pamphlet: Likewise.
	* algebra/opalg.spad.pamphlet: Likewise.
	* algebra/op.spad.pamphlet: Likewise.
	* algebra/omerror.spad.pamphlet: Likewise.
	* algebra/oderf.spad.pamphlet: Likewise.
	* algebra/odeef.spad.pamphlet: Likewise.
	* algebra/oct.spad.pamphlet: Likewise.
	* algebra/nlinsol.spad.pamphlet: Likewise.
	* algebra/newpoly.spad.pamphlet: Likewise.
	* algebra/naalgc.spad.pamphlet: Likewise.
	* algebra/naalg.spad.pamphlet: Likewise.
	* algebra/multpoly.spad.pamphlet: Likewise.
	* algebra/mring.spad.pamphlet: Likewise.
	* algebra/modring.spad.pamphlet: Likewise.
	* algebra/moddfact.spad.pamphlet: Likewise.
	* algebra/mkfunc.spad.pamphlet: Likewise.
	* algebra/matstor.spad.pamphlet: Likewise.
	* algebra/matrix.spad.pamphlet: Likewise.
	* algebra/matcat.spad.pamphlet: Likewise.
	* algebra/manip.spad.pamphlet: Likewise.
	* algebra/lodof.spad.pamphlet: Likewise.
	* algebra/liouv.spad.pamphlet: Likewise.
	* algebra/laplace.spad.pamphlet: Likewise.
	* algebra/irexpand.spad.pamphlet: Likewise.
	* algebra/intrf.spad.pamphlet: Likewise.
	* algebra/intpm.spad.pamphlet: Likewise.
	* algebra/intfact.spad.pamphlet: Likewise.
	* algebra/integer.spad.pamphlet: Likewise.
	* algebra/intclos.spad.pamphlet: Likewise.
	* algebra/intaux.spad.pamphlet: Likewise.
	* algebra/intalg.spad.pamphlet: Likewise.
	* algebra/intaf.spad.pamphlet: Likewise.
	* algebra/gpol.spad.pamphlet: Likewise.
	* algebra/gpgcd.spad.pamphlet: Likewise.
	* algebra/gb.spad.pamphlet: Likewise.
	* algebra/gaussian.spad.pamphlet: Likewise.
	* algebra/galutil.spad.pamphlet: Likewise.
	* algebra/galpolyu.spad.pamphlet: Likewise.
	* algebra/galfact.spad.pamphlet: Likewise.
	* algebra/fspace.spad.pamphlet: Likewise.
	* algebra/fs2ups.spad.pamphlet: Likewise.
	* algebra/fs2expxp.spad.pamphlet: Likewise.
	* algebra/free.spad.pamphlet: Likewise.
	* algebra/fraction.spad.pamphlet: Likewise.
	* algebra/fr.spad.pamphlet: Likewise.
	* algebra/fparfrac.spad.pamphlet: Likewise.
	* algebra/fortran.spad.pamphlet: Likewise.
	* algebra/fmod.spad.pamphlet: Likewise.
	* algebra/float.spad.pamphlet: Likewise.
	* algebra/ffx.spad.pamphlet: Likewise.
	* algebra/ffnb.spad.pamphlet: Likewise.
	* algebra/ffcg.spad.pamphlet: Likewise.
	* algebra/ffcat.spad.pamphlet: Likewise.
	* algebra/exprode.spad.pamphlet: Likewise.
	* algebra/expr.spad.pamphlet: Likewise.
	* algebra/expexpan.spad.pamphlet: Likewise.
	* algebra/elemntry.spad.pamphlet: Likewise.
	* algebra/efupxs.spad.pamphlet: Likewise.
	* algebra/efuls.spad.pamphlet: Likewise.
	* algebra/e04routine.spad.pamphlet: Likewise.
	* algebra/e04agents.spad.pamphlet: Likewise.
	* algebra/divisor.spad.pamphlet: Likewise.
	* algebra/derham.spad.pamphlet: Likewise.
	* algebra/defintrf.spad.pamphlet: Likewise.
	* algebra/defintef.spad.pamphlet: Likewise.
	* algebra/defaults.spad.pamphlet: Likewise.
	* algebra/d03agents.spad.pamphlet: Likewise.
	* algebra/d01weights.spad.pamphlet: Likewise.
	* algebra/d01routine.spad.pamphlet: Likewise.
	* algebra/d01agents.spad.pamphlet: Likewise.
	* algebra/curve.spad.pamphlet: Likewise.
	* algebra/crfp.spad.pamphlet: Likewise.
	* algebra/cont.spad.pamphlet: Likewise.
	* algebra/constant.spad.pamphlet: Likewise.
	* algebra/complet.spad.pamphlet: Likewise.
	* algebra/combfunc.spad.pamphlet: Likewise.
	* algebra/catdef.spad.pamphlet: Likewise.
	* algebra/brill.spad.pamphlet: Likewise.
	* algebra/array1.spad.pamphlet: Likewise.
	* algebra/algfunc.spad.pamphlet: Likewise.
	* algebra/algfact.spad.pamphlet: Likewise.

1 files changed, 4 insertions, 8 deletions

diff --git a/src/algebra/odeef.spad.pamphlet b/src/algebra/odeef.spad.pamphlet
index e33f827e..9795f76d 100644
--- a/src/algebra/odeef.spad.pamphlet
+++ b/src/algebra/odeef.spad.pamphlet
@@ -191,8 +191,7 @@ ElementaryFunctionLODESolver(R, F, L): Exports == Implementation where
       [u::F, bas]
 
     lastChance(op, g, x) ==
---      one? degree op => firstOrder(coefficient(op,0), leadingCoefficient op,g,x)
-      (degree op) = 1 => firstOrder(coefficient(op,0), leadingCoefficient op,g,x)
+      one? degree op => firstOrder(coefficient(op,0), leadingCoefficient op,g,x)
       "failed"
 
 -- solves a0 y + a1 y' = g
@@ -224,8 +223,7 @@ ElementaryFunctionLODESolver(R, F, L): Exports == Implementation where
        a
 
     expsols(op, k, x) ==
---      one? degree op =>
-      (degree op) = 1 =>
+      one? degree op =>
           firstOrder(multivariate(coefficient(op, 0), k),
                      multivariate(leadingCoefficient op, k), 0, x).basis
       [xpart(expint(multivariate(h, k), x), x) for h in ricDsolve(op, ffactor)]
@@ -249,8 +247,7 @@ ElementaryFunctionLODESolver(R, F, L): Exports == Implementation where
 -- if the coefficients are rational functions, then the equation does not
 -- not have a proper 1st-order right factor over the rational functions
     norf1(op, k, x, n) ==
---      one? n => firstOrder(coefficient(op, 0), leadingCoefficient op,0,x).basis
-      (n = 1) => firstOrder(coefficient(op, 0), leadingCoefficient op,0,x).basis
+      one? n => firstOrder(coefficient(op, 0), leadingCoefficient op,0,x).basis
 -- for order > 2, we check that the coeffs are still rational functions
       symbolIfCan(kmax vark(coefficients op, x)) case SY =>
         eq := ulodo(op, k)
@@ -466,8 +463,7 @@ ElementaryFunctionODESolver(R, F): Exports == Implementation where
       a := rhs center
       kx:K := kernel(x := retract(lhs(center))@SY)
       (ur := parseODE(diffeq, y, x)) case NLQ =>
---        not one?(#y0) => error "solve: more than one initial condition!"
-        not ((#y0) = 1) => error "solve: more than one initial condition!"
+        not one?(#y0) => error "solve: more than one initial condition!"
         rc := ur::NLQ
         (u := solve(rc.dx, rc.dy, y, x)) case "failed" => "failed"
         u::F - eval(u::F,  [kx, retract(y(x::F))@K], [a, first y0])