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| Mirrors > Home > ILE Home > Th. List > smoeq | Unicode version | ||
| Description: Equality theorem for strictly monotone functions. (Contributed by Andrew Salmon, 16-Nov-2011.) |
| Ref | Expression |
|---|---|
| smoeq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 19 |
. . . 4
| |
| 2 | dmeq 4961 |
. . . 4
| |
| 3 | 1, 2 | feq12d 5503 |
. . 3
|
| 4 | ordeq 4498 |
. . . 4
| |
| 5 | 2, 4 | syl 14 |
. . 3
|
| 6 | fveq1 5674 |
. . . . . . 7
| |
| 7 | fveq1 5674 |
. . . . . . 7
| |
| 8 | 6, 7 | eleq12d 2305 |
. . . . . 6
|
| 9 | 8 | imbi2d 230 |
. . . . 5
|
| 10 | 9 | 2ralbidv 2568 |
. . . 4
|
| 11 | 2 | raleqdv 2749 |
. . . . 5
|
| 12 | 11 | ralbidv 2544 |
. . . 4
|
| 13 | 2 | raleqdv 2749 |
. . . 4
|
| 14 | 10, 12, 13 | 3bitrd 214 |
. . 3
|
| 15 | 3, 5, 14 | 3anbi123d 1349 |
. 2
|
| 16 | df-smo 6530 |
. 2
| |
| 17 | df-smo 6530 |
. 2
| |
| 18 | 15, 16, 17 | 3bitr4g 223 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-tr 4214 df-iord 4492 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-fv 5365 df-smo 6530 |
| This theorem is referenced by: smores3 6537 smo0 6542 |
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