Abstract: The study was carried out in Iraq in 2021, which includes formal thinking in the mathematics book for the first intermediate grade. Therefore, the current research crystallized in the analysis of the mathematics book Part One for four (4) chapters, and the research community consisted of (143) pages of the fourth edition of 2019 and the research sample consisted of (116) pages and formal inference skills were used: hypothetical inference, deductive inference, proportional inference, and synthetic inference, adjusting the variables and logical inference as a tool for analyzing the content of the mathematics book was built by the researcher and after the validity and reliability of the research were verified, the analysis was carried out according to the skills of formal analysis.
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