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| Mirrors > Home > ILE Home > Th. List > negsub | Unicode version | ||
| Description: Relationship between subtraction and negative. Theorem I.3 of [Apostol] p. 18. (Contributed by NM, 21-Jan-1997.) (Proof shortened by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| negsub |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-neg 8352 |
. . . 4
| |
| 2 | 1 | oveq2i 6028 |
. . 3
|
| 3 | 2 | a1i 9 |
. 2
|
| 4 | 0cn 8170 |
. . 3
| |
| 5 | addsubass 8388 |
. . 3
| |
| 6 | 4, 5 | mp3an2 1361 |
. 2
|
| 7 | simpl 109 |
. . . 4
| |
| 8 | 7 | addridd 8327 |
. . 3
|
| 9 | 8 | oveq1d 6032 |
. 2
|
| 10 | 3, 6, 9 | 3eqtr2d 2270 |
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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-setind 4635 ax-resscn 8123 ax-1cn 8124 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-addass 8133 ax-distr 8135 ax-i2m1 8136 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-sub 8351 df-neg 8352 |
| This theorem is referenced by: negdi2 8436 negsubdi2 8437 resubcli 8441 resubcl 8442 negsubi 8456 negsubd 8495 submul2 8577 mulsub 8579 subap0 8822 divsubdirap 8887 zsubcl 9519 difgtsumgt 9548 elz2 9550 qsubcl 9871 rexsub 10087 fzsubel 10294 expsubap 10848 binom2sub 10914 resub 11430 imsub 11438 cjsub 11452 cjreim 11463 absdiflt 11652 absdifle 11653 abs2dif2 11667 subcn2 11871 efsub 12241 efi4p 12277 sinsub 12300 cossub 12301 demoivreALT 12334 dvdssub 12398 modgcd 12561 gzsubcl 12952 cnfldsub 14588 wilthlem1 15703 lgsvalmod 15747 |
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