轻快来事 发表于 2025-3-23 10:49:30

http://reply.papertrans.cn/59/5829/582877/582877_11.png

阐明 发表于 2025-3-23 16:56:11

http://reply.papertrans.cn/59/5829/582877/582877_12.png

coagulation 发表于 2025-3-23 19:00:27

http://reply.papertrans.cn/59/5829/582877/582877_13.png

头脑冷静 发表于 2025-3-24 01:08:47

http://reply.papertrans.cn/59/5829/582877/582877_14.png

昏暗 发表于 2025-3-24 04:45:30

http://reply.papertrans.cn/59/5829/582877/582877_15.png

鄙视读作 发表于 2025-3-24 09:12:01

http://reply.papertrans.cn/59/5829/582877/582877_16.png

警告 发表于 2025-3-24 14:31:39

http://reply.papertrans.cn/59/5829/582877/582877_17.png

Synapse 发表于 2025-3-24 16:31:02

http://reply.papertrans.cn/59/5829/582877/582877_18.png

样式 发表于 2025-3-24 23:05:06

http://reply.papertrans.cn/59/5829/582877/582877_19.png

micronutrients 发表于 2025-3-24 23:39:32

When is an Argument Valid?, would be nice to be able to say definitely what constitutes a valid and totally convincing argument. Unfortunately, this is rather difficult. In order to be mathematically precise, it would be necessary to provide minute details justifying every little step. Even then there might be some assumption
页: 1 [2] 3 4
查看完整版本: Titlebook: Learning and Doing Mathematics; John Healey Mason Textbook 1988Latest edition The Open University 1988 Confidence.learning.mathematics.uni