I need to write definition lemmas and theorems numbering according to chapter.

Like in chapter 1, definition number is 1.1, lemma is 1.2, theorem is 1.3. But by using commands \newtheorem{Defintion}{definition} I got definition 1, lemma 2, theorem 3.

Any one can please give me possible way to solve out this problem?

  • 1
    Under the assumption that you use \newtheorem from amsthm: \newtheorem{Defintion}{definition}[chapter]
    – leandriis
    Jun 9 '20 at 18:13
  • This should help: Theorem/Definition/Lemma problem — Numbering (potential duplicate) Jun 10 '20 at 3:59
  • Using this amsthm: \newtheorem{Defintion}{definition}[chapter] work like definition 1.1 theorem 1.1 lemma 1.1 but i need like definition 1.1 theorem 1.2 and lemma 1.3 so please give me the possible way for this issue Jun 10 '20 at 16:50

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