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| Description: Lemma for ipval3 8306. |
| Ref | Expression |
|---|---|
| ipval2lem.1 |
|
| Ref | Expression |
|---|---|
| ipval2lem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ipval2lem.1 |
. . 3
| |
| 2 | csbopr12g 3978 |
. . 3
| |
| 3 | 1, 2 | ax-mp 7 |
. 2
|
| 4 | csbopr2g 3980 |
. . . . 5
| |
| 5 | 1, 4 | ax-mp 7 |
. . . 4
|
| 6 | csbvarg 2017 |
. . . . . 6
| |
| 7 | 1, 6 | ax-mp 7 |
. . . . 5
|
| 8 | 7 | opreq2i 3963 |
. . . 4
|
| 9 | 5, 8 | eqtr 1492 |
. . 3
|
| 10 | csbopr1g 3979 |
. . . . 5
| |
| 11 | 1, 10 | ax-mp 7 |
. . . 4
|
| 12 | csbfv2g 3734 |
. . . . . . 7
| |
| 13 | 1, 12 | ax-mp 7 |
. . . . . 6
|
| 14 | csbopr2g 3980 |
. . . . . . . . 9
| |
| 15 | 1, 14 | ax-mp 7 |
. . . . . . . 8
|
| 16 | csbopr1g 3979 |
. . . . . . . . . . 11
| |
| 17 | 1, 16 | ax-mp 7 |
. . . . . . . . . 10
|
| 18 | 9 | opreq1i 3962 |
. . . . . . . . . 10
|
| 19 | 17, 18 | eqtr 1492 |
. . . . . . . . 9
|
| 20 | 19 | opreq2i 3963 |
. . . . . . . 8
|
| 21 | 15, 20 | eqtr 1492 |
. . . . . . 7
|
| 22 | 21 | fveq2i 3718 |
. . . . . 6
|
| 23 | 13, 22 | eqtr 1492 |
. . . . 5
|
| 24 | 23 | opreq1i 3962 |
. . . 4
|
| 25 | 11, 24 | eqtr 1492 |
. . 3
|
| 26 | 9, 25 | opreq12i 3964 |
. 2
|
| 27 | 3, 26 | eqtr 1492 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ipval2 8304 |
| 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-sep 2698 ax-pow 2737 ax-pr 2774 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 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-rex 1647 df-v 1808 df-sbc 1938 df-csb 1998 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-nul 2277 df-pw 2398 df-sn 2408 df-pr 2409 df-op 2412 df-uni 2499 df-br 2615 df-opab 2662 df-xp 3179 df-cnv 3181 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 df-fv 3193 df-opr 3956 |