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| Description: Lemma used to derive properties of norm. Part of Theorem 3.3(ii) of [Beran] p. 97. |
| Ref | Expression |
|---|---|
| normlem1.1 |
|
| normlem1.2 |
|
| normlem1.3 |
|
| Ref | Expression |
|---|---|
| normlem0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | normlem1.2 |
. . . . 5
| |
| 2 | normlem1.1 |
. . . . . 6
| |
| 3 | normlem1.3 |
. . . . . 6
| |
| 4 | 2, 3 | hvmulcl 8823 |
. . . . 5
|
| 5 | 1, 4 | hvsubval 8829 |
. . . 4
|
| 6 | 2 | mulm1 5452 |
. . . . . . 7
|
| 7 | 6 | opreq1i 3962 |
. . . . . 6
|
| 8 | ax1cn 5249 |
. . . . . . . 8
| |
| 9 | 8 | negcl 5349 |
. . . . . . 7
|
| 10 | 9, 2, 3 | hvmulass 8852 |
. . . . . 6
|
| 11 | 7, 10 | eqtr3 1494 |
. . . . 5
|
| 12 | 11 | opreq2i 3963 |
. . . 4
|
| 13 | 5, 12 | eqtr4 1495 |
. . 3
|
| 14 | 13, 13 | opreq12i 3964 |
. 2
|
| 15 | 2 | negcl 5349 |
. . . 4
|
| 16 | 15, 3 | hvmulcl 8823 |
. . 3
|
| 17 | 1, 16 | hvaddcl 8827 |
. . 3
|
| 18 | ax-his2 8889 |
. . 3
| |
| 19 | 1, 16, 17, 18 | mp3an 914 |
. 2
|
| 20 | his7t 8895 |
. . . . 5
| |
| 21 | 1, 1, 16, 20 | mp3an 914 |
. . . 4
|
| 22 | his5t 8892 |
. . . . . . 7
| |
| 23 | 15, 1, 3, 22 | mp3an 914 |
. . . . . 6
|
| 24 | 2 | cjneg 6740 |
. . . . . . 7
|
| 25 | 24 | opreq1i 3962 |
. . . . . 6
|
| 26 | 23, 25 | eqtr 1492 |
. . . . 5
|
| 27 | 26 | opreq2i 3963 |
. . . 4
|
| 28 | 21, 27 | eqtr 1492 |
. . 3
|
| 29 | ax-his3 8890 |
. . . . 5
| |
| 30 | 15, 3, 17, 29 | mp3an 914 |
. . . 4
|
| 31 | his7t 8895 |
. . . . . . 7
| |
| 32 | 3, 1, 16, 31 | mp3an 914 |
. . . . . 6
|
| 33 | his5t 8892 |
. . . . . . . 8
| |
| 34 | 15, 3, 3, 33 | mp3an 914 |
. . . . . . 7
|
| 35 | 34 | opreq2i 3963 |
. . . . . 6
|
| 36 | 32, 35 | eqtr 1492 |
. . . . 5
|
| 37 | 36 | opreq2i 3963 |
. . . 4
|
| 38 | 3, 1 | hicl 8887 |
. . . . . 6
|
| 39 | 15 | cjcl 6707 |
. . . . . . 7
|
| 40 | 3, 3 | hicl 8887 |
. . . . . . 7
|
| 41 | 39, 40 | mulcl 5301 |
. . . . . 6
|
| 42 | 15, 38, 41 | adddi 5306 |
. . . . 5
|
| 43 | 15, 39, 40 | mulass 5305 |
. . . . . . 7
|
| 44 | 24 | opreq2i 3963 |
. . . . . . . . 9
|
| 45 | 2 | cjcl 6707 |
. . . . . . . . . 10
|
| 46 | 2, 45 | mul2neg 5427 |
. . . . . . . . 9
|
| 47 | 44, 46 | eqtr 1492 |
. . . . . . . 8
|
| 48 | 47 | opreq1i 3962 |
. . . . . . 7
|
| 49 | 43, 48 | eqtr3 1494 |
. . . . . 6
|
| 50 | 49 | opreq2i 3963 |
. . . . 5
|
| 51 | 42, 50 | eqtr 1492 |
. . . 4
|
| 52 | 30, 37, 51 | 3eqtr 1496 |
. . 3
|
| 53 | 28, 52 | opreq12i 3964 |
. 2
|
| 54 | 14, 19, 53 | 3eqtr 1496 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: normlem1 8915 pjthlem5 9161 |
| 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 ax-hfvadd 8809 ax-hfvmul 8814 ax-hvmulass 8816 ax-hfi 8885 ax-his1 8888 ax-his2 8889 ax-his3 8890 |
| 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-nel 1585 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-f1 3190 df-fo 3191 df-f1o 3192 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-o |