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| Mirrors > Home > ILE Home > Th. List > nq02m | Unicode version | ||
| Description: Multiply a nonnegative fraction by two. (Contributed by Jim Kingdon, 29-Nov-2019.) |
| Ref | Expression |
|---|---|
| nq02m |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nq0nn 7590 |
. 2
| |
| 2 | 2onn 6630 |
. . . . . . 7
| |
| 3 | 1pi 7463 |
. . . . . . 7
| |
| 4 | mulnnnq0 7598 |
. . . . . . 7
| |
| 5 | 2, 3, 4 | mpanl12 436 |
. . . . . 6
|
| 6 | nn2m 6636 |
. . . . . . . . 9
| |
| 7 | 6 | adantr 276 |
. . . . . . . 8
|
| 8 | pinn 7457 |
. . . . . . . . . 10
| |
| 9 | 1onn 6629 |
. . . . . . . . . . . 12
| |
| 10 | nnmcom 6598 |
. . . . . . . . . . . 12
| |
| 11 | 9, 10 | mpan 424 |
. . . . . . . . . . 11
|
| 12 | nnm1 6634 |
. . . . . . . . . . 11
| |
| 13 | 11, 12 | eqtrd 2240 |
. . . . . . . . . 10
|
| 14 | 8, 13 | syl 14 |
. . . . . . . . 9
|
| 15 | 14 | adantl 277 |
. . . . . . . 8
|
| 16 | 7, 15 | opeq12d 3841 |
. . . . . . 7
|
| 17 | 16 | eceq1d 6679 |
. . . . . 6
|
| 18 | nnanq0 7606 |
. . . . . . 7
| |
| 19 | 18 | 3anidm12 1308 |
. . . . . 6
|
| 20 | 5, 17, 19 | 3eqtrd 2244 |
. . . . 5
|
| 21 | 20 | adantr 276 |
. . . 4
|
| 22 | oveq2 5975 |
. . . . . 6
| |
| 23 | id 19 |
. . . . . . 7
| |
| 24 | 23, 23 | oveq12d 5985 |
. . . . . 6
|
| 25 | 22, 24 | eqeq12d 2222 |
. . . . 5
|
| 26 | 25 | adantl 277 |
. . . 4
|
| 27 | 21, 26 | mpbird 167 |
. . 3
|
| 28 | 27 | exlimivv 1921 |
. 2
|
| 29 | 1, 28 | syl 14 |
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-in1 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-coll 4175 ax-sep 4178 ax-nul 4186 ax-pow 4234 ax-pr 4269 ax-un 4498 ax-setind 4603 ax-iinf 4654 |
| This theorem depends on definitions: df-bi 117 df-dc 837 df-3or 982 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-ral 2491 df-rex 2492 df-reu 2493 df-rab 2495 df-v 2778 df-sbc 3006 df-csb 3102 df-dif 3176 df-un 3178 df-in 3180 df-ss 3187 df-nul 3469 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-int 3900 df-iun 3943 df-br 4060 df-opab 4122 df-mpt 4123 df-tr 4159 df-id 4358 df-iord 4431 df-on 4433 df-suc 4436 df-iom 4657 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-rn 4704 df-res 4705 df-ima 4706 df-iota 5251 df-fun 5292 df-fn 5293 df-f 5294 df-f1 5295 df-fo 5296 df-f1o 5297 df-fv 5298 df-ov 5970 df-oprab 5971 df-mpo 5972 df-1st 6249 df-2nd 6250 df-recs 6414 df-irdg 6479 df-1o 6525 df-2o 6526 df-oadd 6529 df-omul 6530 df-er 6643 df-ec 6645 df-qs 6649 df-ni 7452 df-mi 7454 df-enq0 7572 df-nq0 7573 df-plq0 7575 df-mq0 7576 |
| This theorem is referenced by: prarloclemcalc 7650 |
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