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| Description: Difference of absolute values. (Contributed by Paul Chapman, 7-Sep-2007.) |
| Ref | Expression |
|---|---|
| abs2dift |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subid1t 5376 |
. . . 4
| |
| 2 | 1 | fveq2d 3719 |
. . 3
|
| 3 | subid1t 5376 |
. . . 4
| |
| 4 | 3 | fveq2d 3719 |
. . 3
|
| 5 | 2, 4 | opreqan12d 3970 |
. 2
|
| 6 | 0cn 5308 |
. . . 4
| |
| 7 | abs3dift 6844 |
. . . 4
| |
| 8 | 6, 7 | mp3an2 902 |
. . 3
|
| 9 | subclt 5347 |
. . . . . . . . 9
| |
| 10 | 6, 9 | mpan2 695 |
. . . . . . . 8
|
| 11 | absclt 6776 |
. . . . . . . 8
| |
| 12 | 10, 11 | syl 10 |
. . . . . . 7
|
| 13 | subclt 5347 |
. . . . . . . . 9
| |
| 14 | 6, 13 | mpan2 695 |
. . . . . . . 8
|
| 15 | absclt 6776 |
. . . . . . . 8
| |
| 16 | 14, 15 | syl 10 |
. . . . . . 7
|
| 17 | 12, 16 | anim12i 333 |
. . . . . 6
|
| 18 | subclt 5347 |
. . . . . . 7
| |
| 19 | absclt 6776 |
. . . . . . 7
| |
| 20 | 18, 19 | syl 10 |
. . . . . 6
|
| 21 | 17, 20 | jca 288 |
. . . . 5
|
| 22 | df-3an 776 |
. . . . 5
| |
| 23 | 21, 22 | sylibr 200 |
. . . 4
|
| 24 | lesubaddt 5611 |
. . . 4
| |
| 25 | 23, 24 | syl 10 |
. . 3
|
| 26 | 8, 25 | mpbird 196 |
. 2
|
| 27 | 5, 26 | eqbrtrrd 2632 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: abs2difabst 6848 abs2dif 10310 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-9 963 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-rep 2688 ax-sep 2698 ax-nul 2705 ax-pow 2737 ax-pr 2774 ax-un 2861 ax-inf2 4605 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-nel 1585 df-ral 1646 df-rex 1647 df-reu 1648 df-rab 1649 df-v 1808 df-sbc 1938 df-csb 1998 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-pss 2051 df-nul 2277 df-if 2358 df-pw 2398 df-sn 2408 df-pr 2409 df-tp 2411 df-op 2412 df-uni 2499 df-int 2529 df-iun 2563 df-br 2615 df-opab 2662 df-tr 2676 df-eprel 2827 df-id 2830 df-po 2835 df-so 2845 df-fr 2912 df-we 2929 df-ord 2946 df-on 2947 df-lim 2948 df-suc 2949 df-om 3127 df-xp 3179 df-rel 3180 df-cnv 3181 df-co 3182 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 df-fun 3187 df-fn 3188 df-f 3189 df-f1 3190 df-fo 3191 df-f1o 3192 df-fv 3193 df-rdg 3923 df-opr 3956 df-oprab 3957 df-1st 4069 df-2nd 4070 df-1o 4123 df-oadd 4125 df-omul 4126 df-er 4251 df-ec 4253 df-qs 4256 df-en 4357 df-dom 4358 df-sdom 4359 df-sup 4554 df-ni 4980 df-pli 4981 df-mi 4982 df-lti 4983 df-plpq 5015 df-mpq 5016 df-enq 5017 df-nq 5018 df-plq 5019 df-mq 5020 df-rq 5021 df-ltq 5022 df-1q 5023 df-np 5066 df-1p 5067 df-plp 5068 df-mp 5069 df-ltp 5070 df-plpr 5144 df-mpr 5145 df-enr 5146 df-nr 5147 df-plr 5148 df-mr 5149 df-ltr 5150 df-0r 5151 df-1r 5152 df-m1r 5153 df-c 5220 df-0 5221 df-1 5222 df-i 5223 df-r 5224 df-plus 5225 df-mul 5226 df-lt 5227 df-sub 5336 df-neg 5338 df-pnf 5467 df-mnf 5468 df-xr 5469 df-ltxr 5470 df-le 5471 df-div 5680 df-n 5881 df-2 5925 df-n0 6055 df-z 6091 df-seq1 6253 df-exp 6509 df-sqr 6608 df-re 6690 df-im 6691 df-cj 6692 df-abs 6693 |