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Article #103

Re: What the meaning of `proper initial segment'?

#103
From: KANEMATU Sin'ya
Date: Thu, 08 Oct 1998 00:00
15 lines
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  ใ‚ใ‚‹ๆ–นใซๆ•™ใˆใฆใ„ใŸใ ใ„ใŸใจใ“ใ‚ใ€ๆ–‡่„ˆใŒใชใ„ใจๅˆคๆ–ญใ—ใ‚‡ใ†ใŒใชใ„ใŒใ€ไปฅไธ‹
ใฎใฉใกใ‚‰ใ‹ใงใฏใชใ„ใ‹ใจใ„ใ†ใ“ใงใ—ใŸใ€‚
 a) ๅนพใคใ‹ใฎๅผใŒใ‚ใฃใฆใ€ใใฎๆœ€ๅˆใฎๆ–นใฎๅนพใคใ‹ใฎๅผใจใ‹ใ„ใ†ๆ„ๅ‘ณใงใ‚ใ‚‹ใ€‚
 b) ไฝ•ใ‹ใฎๅˆ—ใงใ‚ใ‚Œใฐใ€initial segment ใฏใ€ใใฎๅˆ—ใฎๆœ€ๅˆใฎๆ–นใจใ„ใ†ใ“ใจใ‚’
   ่จ€ใฃใฆใ„ใ‚‹ใซ้ŽใŽใชใ„ใ€‚

  ใ‚ˆใใŠใผใˆใฆใ„ใชใ„ใฎใงใ™ใŒใ€proper initial segmentใซใŠใ„ใฆใฏใ€ๅทฆๆ‹ฌๅผง
ใฎๆ–นใŒๅณๆ‹ฌๅผงใ‚ˆใ‚Šๅคšใ„ใ“ใจใ‚’่จผๆ˜Žใ›ใ‚ˆใจใ„ใ†ใ‚ˆใ†ใชๆ–‡ใงใ—ใŸใ€‚ใ‚ˆใฃใฆใ€proper
initial segmentใฏใ€ๅ‘ฝ้กŒ่ซ–็†ๅผใ‚’่กจใ™ๆ–‡ๅญ—ๅˆ—ใฎๅทฆใฎๆ–นใจใ„ใ†ๆ„ๅ‘ณใงใ‚ใ‚‹ใจใ™
ใ‚‹ใจใ€ๆ–‡ใฏๆ„ๅ‘ณไธๆ˜Žใงใฏใชใ„ใจๆ€ใ„ใพใ™ใ€‚(properใฏใ€ใ€Œ็œŸ้ƒจๅˆ†้›†ๅˆใ€ใฎใ€Œ็œŸใ€
ใฎใ‚ˆใ†ใชๆ„ๅ‘ณใงใ—ใ‚‡ใ†ใ€‚)
  ใจใ‚Šใ‚ใˆใšใ€ใใฎ่งฃ้‡ˆใงๅ•้กŒใ‚’่งฃใ„ใฆใฟใพใ™ใ€‚ๅ•้กŒใฏ่ค‡ๆ•ฐใ‚ใ‚‹ใฎใงใ€ใใ‚Œใง
ๆ„ๅ‘ณใŒใ‚ใ‚‹ใ‹ใฉใ†ใ‹ๅˆ†ใ‹ใ‚‹ใ‹ใ‚‚ใ—ใ‚Œใพใ›ใ‚“ใ€‚
---
ๅ…ผๆพ ็œŸๅ“‰ (ใ‹ใญใพใค ใ—ใ‚“ใ‚„)
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From: KANEMATU Sin'ya <kane@lp.nm.fujitsu.co.jp>
Subject: Re: What the meaning of `proper initial segment'?
Date: 1998/10/08
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