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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 4976 |
. . . 4
| |
| 3 | 1, 2 | feq12d 5518 |
. . 3
|
| 4 | ordeq 4512 |
. . . 4
| |
| 5 | 2, 4 | syl 14 |
. . 3
|
| 6 | fveq1 5689 |
. . . . . . 7
| |
| 7 | fveq1 5689 |
. . . . . . 7
| |
| 8 | 6, 7 | eleq12d 2309 |
. . . . . 6
|
| 9 | 8 | imbi2d 230 |
. . . . 5
|
| 10 | 9 | 2ralbidv 2574 |
. . . 4
|
| 11 | 2 | raleqdv 2755 |
. . . . 5
|
| 12 | 11 | ralbidv 2550 |
. . . 4
|
| 13 | 2 | raleqdv 2755 |
. . . 4
|
| 14 | 10, 12, 13 | 3bitrd 214 |
. . 3
|
| 15 | 3, 5, 14 | 3anbi123d 1353 |
. 2
|
| 16 | df-smo 6547 |
. 2
| |
| 17 | df-smo 6547 |
. 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-tr 4225 df-iord 4506 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-fv 5380 df-smo 6547 |
| This theorem is referenced by: smores3 6554 smo0 6559 |
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