London to a brick en · ADJ
Etymology
Short for London to a brick on, expressing notional odds where the entire city of London is bet against a worthless object. Compare a pound to a penny.
Meanings
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(Australia, not-comparable) Extremely likely, virtually certain.
It's London to a brick that if someone says that his world-view is demonstrably more theoretically virtuous than competing world-views, then the demonstration in question makes no serious attempt to assess the theoretical virtues of competing worldviews. And it's not far short of London to a brick that he doesn't even get as far as setting up straw man competitors to the touted worldview.
2017, Graham Oppy, “Rationality and Worldview”, in J. L. Schellenberg, Paul Draper, editor, Renewing Philosophy of Religion: Exploratory Essays, page 185: