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continuity

Problem-solving strategies for continuity in real analysis

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技能内容

Continuity

When to Use

Use this skill when working on continuity problems in real analysis.

Decision Tree

  1. Check Definition
  • f(a) exists (function defined at point)
  • lim_{x->a} f(x) exists
  • lim_{x->a} f(x) = f(a)
  1. Use SymPy for Limit Check
  • sympy_compute.py limit "f(x)" --var x --at a
  • Compare with f(a)
  1. Piecewise Functions
  • Check left and right limits separately
  • sympy_compute.py limit "f(x)" --var x --at a --dir left
  1. Verify with Z3
  • z3_solve.py prove "limit_exists implies continuous"

Tool Commands

Sympy_Limit

uv run python -m runtime.harness scripts/sympy_compute.py limit "f(x)" --var x --at a

Sympy_Limit_Left

uv run python -m runtime.harness scripts/sympy_compute.py limit "f(x)" --var x --at a --dir left

Z3_Prove

uv run python -m runtime.harness scripts/z3_solve.py prove "continuous_at_a"

Cognitive Tools Reference

See .claude/skills/math-mode/SKILL.md for full tool documentation.

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