Reverse Mathematics/%cf%89-models and %ce%b2-models

Famous quotes containing the words reverse and/or mathematics:

    They shall beat their swords into plowshares, and their spears into pruninghooks: nation shall not lift up sword against nation, neither shall they learn war any more.
    Bible: Hebrew Isaiah, 2:4.

    The words reappear in Micah 4:3, and the reverse injunction is made in Joel 3:10 (”Beat your plowshares into swords ...”)

    I must study politics and war that my sons may have liberty to study mathematics and philosophy.
    John Adams (1735–1826)