Tadataka INO offered a counterargument to him in "Bukkoku Rekishohen Sekimo" (literally, "to eliminate the wrong idea of Bukkoku Rekishohen") and Shingen TAKEDA in Osaka engaged in a battle of words with Entsu, who was visiting Osaka, and argued Entsu down.
これに対し伊能忠敬は『仏国暦象編斥妄』で反論し、同じく大坂の武田真元も大坂訪問中の円通に論戦を挑んでこれを論破している。