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| Description: Lemma to prove downward closure in positive real multiplication. Part of proof of Proposition 9-3.7 of [Gleason] p. 124. |
| Ref | Expression |
|---|---|
| mulclprlem |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | recclpq 5044 |
. . . . . . . . 9
| |
| 2 | 1 | adantl 388 |
. . . . . . . 8
|
| 3 | visset 1804 |
. . . . . . . . 9
| |
| 4 | oprex 3968 |
. . . . . . . . 9
| |
| 5 | visset 1804 |
. . . . . . . . . 10
| |
| 6 | visset 1804 |
. . . . . . . . . 10
| |
| 7 | 5, 6 | ltmpq 5049 |
. . . . . . . . 9
|
| 8 | fvex 3717 |
. . . . . . . . 9
| |
| 9 | 5, 6 | mulcompq 5036 |
. . . . . . . . 9
|
| 10 | 3, 4, 7, 8, 9 | caoprord2 4043 |
. . . . . . . 8
|
| 11 | 2, 10 | syl 10 |
. . . . . . 7
|
| 12 | recidpq 5043 |
. . . . . . . . . . 11
| |
| 13 | 12 | opreq2d 3961 |
. . . . . . . . . 10
|
| 14 | visset 1804 |
. . . . . . . . . . 11
| |
| 15 | 14, 8 | mulasspq 5037 |
. . . . . . . . . 10
|
| 16 | 13, 15 | syl5eq 1511 |
. . . . . . . . 9
|
| 17 | mulidpq 5041 |
. . . . . . . . 9
| |
| 18 | 16, 17 | sylan9eqr 1521 |
. . . . . . . 8
|
| 19 | 18 | breq2d 2620 |
. . . . . . 7
|
| 20 | 11, 19 | bitrd 526 |
. . . . . 6
|
| 21 | elprpq 5067 |
. . . . . 6
| |
| 22 | elprpq 5067 |
. . . . . 6
| |
| 23 | 20, 21, 22 | syl2an 454 |
. . . . 5
|
| 24 | prcdpq 5069 |
. . . . . 6
| |
| 25 | 24 | adantr 389 |
. . . . 5
|
| 26 | 23, 25 | sylbid 203 |
. . . 4
|
| 27 | df-mp 5061 |
. . . . . . . . 9
| |
| 28 | 27 | genpprecl 5076 |
. . . . . . . 8
|
| 29 | 28 | exp4b 379 |
. . . . . . 7
|
| 30 | 29 | com34 36 |
. . . . . 6
|
| 31 | 30 | imp32 363 |
. . . . 5
|
| 32 | 31 | adantlr 393 |
. . . 4
|
| 33 | 26, 32 | syld 27 |
. . 3
|
| 34 | 33 | adantr 389 |
. 2
|
| 35 | 8, 14 | mulcompq 5036 |
. . . . . . . 8
|
| 36 | 12, 35 | syl5eq 1511 |
. . . . . . 7
|
| 37 | 36 | opreq2d 3961 |
. . . . . 6
|
| 38 | 8, 14 | mulasspq 5037 |
. . . . . 6
|
| 39 | 37, 38 | syl5eq 1511 |
. . . . 5
|
| 40 | mulidpq 5041 |
. . . . 5
| |
| 41 | 39, 40 | sylan9eq 1519 |
. . . 4
|
| 42 | 41 | eleq1d 1532 |
. . 3
|
| 43 | 22 | adantl 388 |
. . 3
|
| 44 | 42, 43 | sylan 448 |
. 2
|
| 45 | 34, 44 | sylibd 202 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: mulclpr 5094 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-inf2 4597 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-ral 1641 df-rex 1642 df-reu 1643 df-rab 1644 df-v 1803 df-sbc 1932 df-csb 1992 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-pss 2045 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f 3184 df-fv 3188 df-rdg 3917 df-opr 3950 df-oprab 3951 df-1st 4063 df-2nd 4064 df-1o 4117 df-oadd 4119 df-omul 4120 df-er 4245 df-ec 4247 df-qs 4250 df-ni 4972 df-mi 4974 df-lti 4975 df-mpq 5008 df-enq 5009 df-nq 5010 df-mq 5012 df-rq 5013 df-ltq 5014 df-1q 5015 df-np 5058 df-mp 5061 |