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| Description: Lemma for ipval3 8355. |
| Ref | Expression |
|---|---|
| ipval2lem.1 |
|
| Ref | Expression |
|---|---|
| ipval2lem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ipval2lem.1 |
. . 3
| |
| 2 | csbopr12g 3993 |
. . 3
| |
| 3 | 1, 2 | ax-mp 7 |
. 2
|
| 4 | csbopr2g 3995 |
. . . . 5
| |
| 5 | 1, 4 | ax-mp 7 |
. . . 4
|
| 6 | csbvarg 2024 |
. . . . . 6
| |
| 7 | 1, 6 | ax-mp 7 |
. . . . 5
|
| 8 | 7 | opreq2i 3978 |
. . . 4
|
| 9 | 5, 8 | eqtr 1498 |
. . 3
|
| 10 | csbopr1g 3994 |
. . . . 5
| |
| 11 | 1, 10 | ax-mp 7 |
. . . 4
|
| 12 | csbfv2g 3749 |
. . . . . . 7
| |
| 13 | 1, 12 | ax-mp 7 |
. . . . . 6
|
| 14 | csbopr2g 3995 |
. . . . . . . . 9
| |
| 15 | 1, 14 | ax-mp 7 |
. . . . . . . 8
|
| 16 | csbopr1g 3994 |
. . . . . . . . . . 11
| |
| 17 | 1, 16 | ax-mp 7 |
. . . . . . . . . 10
|
| 18 | 9 | opreq1i 3977 |
. . . . . . . . . 10
|
| 19 | 17, 18 | eqtr 1498 |
. . . . . . . . 9
|
| 20 | 19 | opreq2i 3978 |
. . . . . . . 8
|
| 21 | 15, 20 | eqtr 1498 |
. . . . . . 7
|
| 22 | 21 | fveq2i 3733 |
. . . . . 6
|
| 23 | 13, 22 | eqtr 1498 |
. . . . 5
|
| 24 | 23 | opreq1i 3977 |
. . . 4
|
| 25 | 11, 24 | eqtr 1498 |
. . 3
|
| 26 | 9, 25 | opreq12i 3979 |
. 2
|
| 27 | 3, 26 | eqtr 1498 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ipval2 8353 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-9 967 ax-10 968 ax-11 969 ax-12 970 ax-13 971 ax-14 972 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 ax-sep 2708 ax-pow 2748 ax-pr 2785 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3an 779 df-ex 983 df-sb 1174 df-eu 1384 df-mo 1385 df-clab 1467 df-cleq 1472 df-clel 1475 df-ne 1590 df-rex 1653 df-v 1815 df-sbc 1945 df-csb 2005 df-dif 2052 df-un 2053 df-in 2054 df-ss 2056 df-nul 2284 df-pw 2406 df-sn 2416 df-pr 2417 df-op 2420 df-uni 2508 df-br 2625 df-opab 2672 df-xp 3190 df-cnv 3192 df-dm 3194 df-rn 3195 df-res 3196 df-ima 3197 df-fv 3204 df-opr 3971 |