The phrase "abstract tools" is correct and usable in written English.
It can be used to refer to conceptual or theoretical instruments that aid in understanding or problem-solving, often in academic or technical contexts.
Example: "In our research, we utilized various abstract tools to analyze the complex data sets and draw meaningful conclusions."
Alternatives: "conceptual tools" or "theoretical tools".
A math curriculum that focused on real-life problems would still expose students to the abstract tools of mathematics, especially the manipulation of unknown quantities.
In Section 2, we collect some basic abstract tools.
To illustrate these abstract tools, the relations pain and exposure time in ETFP, PTSA or E&P&EP are plotted in fig. 5A, B and 5C separately.
As we know, mathematics is an abstract tool that is used to solve real problems.
Intentional stance is an abstract tool that enables the predictive analysis of complex systems such as human actors, but does not account for the cognitive nature of those processes and the way that they operate [15].
The framework of analysis is not a conceptual abstract tool or "self-sufficient" recommending to improve health care structures.
The use of DGENs in this work was only as an abstract tool to study the effect of gene regulatory perturbations in the developmental process.
By using mortality as an endpoint in this study we have shown that MUST is not simply an abstract tool but can be related to a real clinical outcome and thus has prognostic value when screening for nutritional risk in older patients.
All data were independently abstracted by two reviewers with standardized data abstraction tools.
For completeness, we also searched the text of narrative notes in the EHR using a validated Natural Language Processing abstraction tool that computationally abstracts weight, height, and BP values from the free text of clinician notes [ 19, 20].
Advanced control theory is usually associated with the use of abstract mathematical tools.
