| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ax12inda | Structured version Visualization version Unicode version | ||
| Description: Induction step for
constructing a substitution instance of ax-c15 34174
without using ax-c15 34174. Quantification case. (When |
| Ref | Expression |
|---|---|
| ax12inda.1 |
|
| Ref | Expression |
|---|---|
| ax12inda |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax6ev 1890 |
. . 3
| |
| 2 | ax12inda.1 |
. . . . . . 7
| |
| 3 | 2 | ax12inda2 34232 |
. . . . . 6
|
| 4 | dveeq2-o 34218 |
. . . . . . . . 9
| |
| 5 | 4 | imp 445 |
. . . . . . . 8
|
| 6 | hba1-o 34182 |
. . . . . . . . . 10
| |
| 7 | equequ2 1953 |
. . . . . . . . . . 11
| |
| 8 | 7 | sps-o 34193 |
. . . . . . . . . 10
|
| 9 | 6, 8 | albidh 1793 |
. . . . . . . . 9
|
| 10 | 9 | notbid 308 |
. . . . . . . 8
|
| 11 | 5, 10 | syl 17 |
. . . . . . 7
|
| 12 | 7 | adantl 482 |
. . . . . . . 8
|
| 13 | 8 | imbi1d 331 |
. . . . . . . . . . 11
|
| 14 | 6, 13 | albidh 1793 |
. . . . . . . . . 10
|
| 15 | 5, 14 | syl 17 |
. . . . . . . . 9
|
| 16 | 15 | imbi2d 330 |
. . . . . . . 8
|
| 17 | 12, 16 | imbi12d 334 |
. . . . . . 7
|
| 18 | 11, 17 | imbi12d 334 |
. . . . . 6
|
| 19 | 3, 18 | mpbii 223 |
. . . . 5
|
| 20 | 19 | ex 450 |
. . . 4
|
| 21 | 20 | exlimdv 1861 |
. . 3
|
| 22 | 1, 21 | mpi 20 |
. 2
|
| 23 | 22 | pm2.43i 52 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-c5 34168 ax-c4 34169 ax-c7 34170 ax-c10 34171 ax-c11 34172 ax-c9 34175 ax-c16 34177 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 |
| This theorem is referenced by: (None) |
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