```Date: Jul 6, 2013 3:31 AM
Author: Nasser Abbasi
Subject: How to make Rubi show the result all the time when ShowSteps=True?

I am little confused by this behavior of Rubi. on some integrands,when setting ShowSteps=True, the result of integration is not displayedbut only the rules are.When setting ShowSteps=False and trying the same integration again,now the final result is displayed.Here is an example (using 4.1 on Mathematica 9.01)--------------------------------In[81]:= ShowSteps=True;          Int[(1-y)Sqrt[1+y]/(y Sqrt[1-y^2]),y]During evaluation of In[81]:= Rule 17: ........Out[82]= Int[Sqrt[1-y]/y,y]  % why did it stop here?------------------------------------Now, repeating the same thing, but using ShowSteps=False--------------------------------In[83]:= ShowSteps=False;          Int[(1-y)Sqrt[1+y]/(y Sqrt[1-y^2]),y]Out[84]= 2 Sqrt[1-y]-2 ArcTanh[Sqrt[1-y]]  % now it shows !-----------------------------------This does not happen on all integrand. For example, on this simple one-----------------------------In[89]:= ShowSteps=True;          Int[Sin[x],x]During evaluation of In[89]:= Rule 1248: ...Out[90]= -Cos[x]-----------------------------The final result was given above. Same as when ShowSteps=False:----------------------------------------In[91]:= ShowSteps=False;          Int[Sin[x],x]Out[92]= -Cos[x]------------------------So, the question is, why ShowStep=True seems to change the behavior?Are there other setting one needs to know about?thanks,--Nasser
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