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| Description: Lemma for Proposition 9-3.5(iv) of [Gleason] p. 123. |
| Ref | Expression |
|---|---|
| ltexprlem.1 |
|
| Ref | Expression |
|---|---|
| ltexprlem5 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltexprlem.1 |
. . . . . . 7
| |
| 2 | 1 | ltexprlem1 3936 |
. . . . . 6
|
| 3 | 0pss 1730 |
. . . . . 6
| |
| 4 | 2, 3 | syl6ibr 186 |
. . . . 5
|
| 5 | 4 | imp 277 |
. . . 4
|
| 6 | 1 | ltexprlem2 3937 |
. . . . 5
|
| 7 | 6 | adantr 306 |
. . . 4
|
| 8 | 5, 7 | jca 236 |
. . 3
|
| 9 | 1 | ltexprlem3 3938 |
. . . . . 6
|
| 10 | 1 | ltexprlem4 3939 |
. . . . . . 7
|
| 11 | df-rex 1206 |
. . . . . . 7
| |
| 12 | 10, 11 | syl6ibr 186 |
. . . . . 6
|
| 13 | 9, 12 | jcad 455 |
. . . . 5
|
| 14 | 13 | r19.21aiv 1259 |
. . . 4
|
| 15 | 14 | adantr 306 |
. . 3
|
| 16 | 8, 15 | jca 236 |
. 2
|
| 17 | elnp 3886 |
. 2
| |
| 18 | 16, 17 | sylibr 175 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ltexprlem6 3941 ltexprlem7 3942 ltexpri 3943 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-un 1076 ax-pow 1077 ax-reg 1078 ax-inf 1079 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3or 582 df-3an 583 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ne 1192 df-ral 1205 df-rex 1206 df-reu 1207 df-rab 1208 df-v 1349 df-sbc 1441 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-pss 1494 df-nul 1708 df-if 1777 df-pw 1799 df-sn 1811 df-pr 1812 df-tp 1814 df-op 1815 df-uni 1920 df-int 1966 df-iun 1996 df-tr 2042 df-br 2063 df-opab 2098 df-eprel 2122 df-id 2125 df-po 2128 df-so 2138 df-fr 2169 df-we 2186 df-ord 2202 df-on 2203 df-lim 2204 df-suc 2205 df-om 2373 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fn 2433 df-f 2434 df-f1 2435 df-fv 2438 df-rdg 2970 df-opr 3003 df-oprab 3004 df-1o 3104 df-oadd 3106 df-omul 3107 df-er 3200 df-ec 3202 df-qs 3205 df-ni 3794 df-pli 3795 df-mi 3796 df-lti 3797 df-plpq 3829 df-mpq 3830 df-enq 3831 df-nq 3832 df-plq 3833 df-mq 3834 df-ltq 3836 df-1q 3837 df-np 3880 |