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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 5052 |
. . . . . . . . 9
| |
| 2 | 1 | adantl 388 |
. . . . . . . 8
|
| 3 | visset 1809 |
. . . . . . . . 9
| |
| 4 | oprex 3974 |
. . . . . . . . 9
| |
| 5 | visset 1809 |
. . . . . . . . . 10
| |
| 6 | visset 1809 |
. . . . . . . . . 10
| |
| 7 | 5, 6 | ltmpq 5057 |
. . . . . . . . 9
|
| 8 | fvex 3723 |
. . . . . . . . 9
| |
| 9 | 5, 6 | mulcompq 5044 |
. . . . . . . . 9
|
| 10 | 3, 4, 7, 8, 9 | caoprord2 4049 |
. . . . . . . 8
|
| 11 | 2, 10 | syl 10 |
. . . . . . 7
|
| 12 | recidpq 5051 |
. . . . . . . . . . 11
| |
| 13 | 12 | opreq2d 3967 |
. . . . . . . . . 10
|
| 14 | visset 1809 |
. . . . . . . . . . 11
| |
| 15 | 14, 8 | mulasspq 5045 |
. . . . . . . . . 10
|
| 16 | 13, 15 | syl5eq 1516 |
. . . . . . . . 9
|
| 17 | mulidpq 5049 |
. . . . . . . . 9
| |
| 18 | 16, 17 | sylan9eqr 1526 |
. . . . . . . 8
|
| 19 | 18 | breq2d 2625 |
. . . . . . 7
|
| 20 | 11, 19 | bitrd 527 |
. . . . . 6
|
| 21 | elprpq 5075 |
. . . . . 6
| |
| 22 | elprpq 5075 |
. . . . . 6
| |
| 23 | 20, 21, 22 | syl2an 454 |
. . . . 5
|
| 24 | prcdpq 5077 |
. . . . . 6
| |
| 25 | 24 | adantr 389 |
. . . . 5
|
| 26 | 23, 25 | sylbid 203 |
. . . 4
|
| 27 | df-mp 5069 |
. . . . . . . . 9
| |
| 28 | 27 | genpprecl 5084 |
. . . . . . . 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 5044 |
. . . . . . . 8
|
| 36 | 12, 35 | syl5eq 1516 |
. . . . . . 7
|
| 37 | 36 | opreq2d 3967 |
. . . . . 6
|
| 38 | 8, 14 | mulasspq 5045 |
. . . . . 6
|
| 39 | 37, 38 | syl5eq 1516 |
. . . . 5
|
| 40 | mulidpq 5049 |
. . . . 5
| |
| 41 | 39, 40 | sylan9eq 1524 |
. . . 4
|
| 42 | 41 | eleq1d 1537 |
. . 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 5102 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-9 963 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-rep 2688 ax-sep 2698 ax-nul 2705 ax-pow 2737 ax-pr 2774 ax-un 2861 ax-inf2 4605 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-ral 1646 df-rex 1647 df-reu 1648 df-rab 1649 df-v 1808 df-sbc 1938 df-csb 1998 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-pss 2051 df-nul 2277 df-if 2358 df-pw 2398 df-sn 2408 df-pr 2409 df-tp 2411 df-op 2412 df-uni 2499 df-int 2529 df-iun 2563 df-br 2615 df-opab 2662 df-tr 2676 df-eprel 2827 df-id 2830 df-po 2835 df-so 2845 df-fr 2912 df-we 2929 df-ord 2946 df-on 2947 df-lim 2948 df-suc 2949 df-om 3127 df-xp 3179 df-rel 3180 df-cnv 3181 df-co 3182 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 df-fun 3187 df-fn 3188 df-f 3189 df-fv 3193 df-rdg 3923 df-opr 3956 df-oprab 3957 df-1st 4069 df-2nd 4070 df-1o 4123 df-oadd 4125 df-omul 4126 df-er 4251 df-ec 4253 df-qs 4256 df-ni 4980 df-mi 4982 df-lti 4983 df-mpq 5016 df-enq 5017 df-nq 5018 df-mq 5020 df-rq 5021 df-ltq 5022 df-1q 5023 df-np 5066 df-mp 5069 |