LaTeX forum ⇒ Text Formatting\hfill doesn't work in tabbing environment

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clementian
Posts: 2
Joined: Sat Oct 03, 2009 9:26 pm

\hfill doesn't work in tabbing environment

Postby clementian » Sat Oct 03, 2009 9:46 pm

Hi, all,

Here is my question.
When I use \hfill in the tabbing environment, it doesn't seem to play
the role expected. In what way we can achieve the effect of \hfill in
a tabbing env? thank you.

My original problem is I want a layout as below:

Proof
--Assume A \subseteq B
----For all x \in A
------x \in C ..............................(1) %right aligned
------...
------x \in CEDF ............................(2) %right aligned
------Therefore, by (1) and (2),
----x \in C \cap CEDF .......................(3) %right aligned
----Therefore,
--A \subseteq C \cap CEDF

(Ignore --- in the begining of each line. they should be taken
as spaces. I didn't use spaces because the system automatically dels them)
I use tabbing env to implement the "tabbing" inside the proof. However,
inside tabbing env, \dotfill (or \hfill) doesn't work as expected.

Again, appreciate you answer to this question.

Clementian

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frabjous
Posts: 2064
Joined: Fri Mar 06, 2009 12:20 am

Postby frabjous » Sat Oct 03, 2009 11:42 pm

In the tabbing environment, you can use \` to right align stuff up to the next tab stop (or end of line, if there are no more):

E.g.:

  1. \documentclass{article}
  2. \begin{document}
  3. Proof:
  4. \begin{tabbing}
  5. XXX\=XXX\=XXX\=\kill\\
  6. \>Assume $A \subseteq B$\\
  7. \>\>For all $x \in A$\\
  8. \>\>\>$x \in C$ \`(1) \\
  9. \>\>\>\ldots\\
  10. \>\>\>$x \in CEDF$ \`(2)\\
  11. \>\>\>Therefore, by (1) and (2),\\
  12. \>\>$x \in C \cap CEDF$ \`(3)\\ %right aligned
  13. \>\>Therefore,\\
  14. \>\>$A \subseteq C \cap CEDF$\\
  15. \end{tabbing}
  16. \end{document}


But, in all honestly, you'd probably be better off finding some kind of proof environment, e.g., one that automatically tags your lines, from the AMS math packages or similar.

clementian
Posts: 2
Joined: Sat Oct 03, 2009 9:26 pm

Postby clementian » Thu Oct 08, 2009 5:04 pm

......


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