Layer upon layer.Image credit: Anders Adermark via FlickrTo make an even stronger argument, it is essential that you layer reasoning. This lesson will teach you how to find weaknesses in your reasoning, and add layers to create a stronger position. GBCInterview testsTest preparationSpeaking testsReasoningLinking ‹ G.B.C. 7 Defeating counterarguments up G.B.C. 9 Finding reasons for disagreement ›