1
[see also: recourse] Recently proofs have been constructed which make no appeal
to integration.
In the preceding proof, the appeal to the dominated convergence theorem may seem to be illegitimate since......
2
[see also: invoke, refer] One of the appealing aspects of the spectral set γ is that it
readily lends itself to explicit computation.
At this stage we appeal to Theorem 2 to deduce that......