Beta reduction via meta-level substitution.
Beta reduction via meta-level substitution.
Evaluate the given expression by rewriting it with the evals strategy.
Evaluate the given expression by rewriting it with the evals strategy.
Generate a fresh variable name.
Whether this mechanism evaluates inside lambdas.
Whether this mechanism evaluates inside lambdas. Used for testing. Default: false.
Evaluate by repeatedly trying to apply beta reduction and arithmetic operators anywhere.
Evaluate by repeatedly trying to apply beta reduction and arithmetic operators anywhere.
Capture-free substitution of free occurrences of x in e1 with e2.
Capture-free substitution of free occurrences of x in e1 with e2.