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I don't know why but my greek letter eta refuses to become italic. Any ideas?

Here is a minimal example:

\documentclass[12pt]{report}

\usepackage[a4paper,width=150mm,top=25mm,bottom=25mm,bindingoffset=6mm]{geometry}
\usepackage[onehalfspacing]{setspace}
\usepackage{ucs}
\usepackage{mathptmx}
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}


\usepackage{amsmath,amssymb,amstext,amsthm,mathtools}

\begin{document}

$\eta = 1$ 

\end{document}

Unfortunately, the eta looks just normal. Why does it not turn italic?

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  • 1
    Can you please add an screenshot of your result in your question? Commented Sep 30, 2021 at 11:04
  • I have no issues with the example, the eta is italic Commented Sep 30, 2021 at 12:05
  • First of all, remove ucs: it does nothing useful and is obsolete. Commented Sep 30, 2021 at 12:14
  • For your case, \usepackage{newtxtext,newtxmath} is one of the best solution... Commented Sep 30, 2021 at 14:01

1 Answer 1

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3

The package mathptmx provides Times-like fonts, but it's a 35-year-old hack and for Greek letter it uses glyph from the slanted Symbol font.

You get better results with NewTX.

\documentclass[12pt]{report}

\usepackage[T1]{fontenc}
\usepackage[ngerman]{babel}

\usepackage[a4paper,width=150mm,top=25mm,bottom=25mm,bindingoffset=6mm]{geometry}

\usepackage{amsmath,amsthm,mathtools}
\usepackage[onehalfspacing]{setspace}

\usepackage{newtxtext,newtxmath}

\begin{document}

$\eta = 1$ 

\end{document}

The package ucs is obsolete and does nothing really useful here. Also amssymb should not be loaded along NewTX, because this one already provides the needed symbols. Note that amstext is automatically loaded by amsmath.

enter image description here

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