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| Mirrors > Home > HSE Home > Th. List > hosubeq0i | Structured version Visualization version GIF version | ||
| Description: If the difference between two operators is zero, they are equal. (Contributed by NM, 27-Jul-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hosd1.2 | ⊢ 𝑇: ℋ⟶ ℋ |
| hosd1.3 | ⊢ 𝑈: ℋ⟶ ℋ |
| Ref | Expression |
|---|---|
| hosubeq0i | ⊢ ((𝑇 −op 𝑈) = 0hop ↔ 𝑇 = 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hosd1.2 | . . . . . 6 ⊢ 𝑇: ℋ⟶ ℋ | |
| 2 | hosd1.3 | . . . . . 6 ⊢ 𝑈: ℋ⟶ ℋ | |
| 3 | 1, 2 | honegsubi 32306 | . . . . 5 ⊢ (𝑇 +op (-1 ·op 𝑈)) = (𝑇 −op 𝑈) |
| 4 | 3 | eqeq1i 2765 | . . . 4 ⊢ ((𝑇 +op (-1 ·op 𝑈)) = 0hop ↔ (𝑇 −op 𝑈) = 0hop ) |
| 5 | oveq1 7422 | . . . 4 ⊢ ((𝑇 +op (-1 ·op 𝑈)) = 0hop → ((𝑇 +op (-1 ·op 𝑈)) +op 𝑈) = ( 0hop +op 𝑈)) | |
| 6 | 4, 5 | sylbir 238 | . . 3 ⊢ ((𝑇 −op 𝑈) = 0hop → ((𝑇 +op (-1 ·op 𝑈)) +op 𝑈) = ( 0hop +op 𝑈)) |
| 7 | neg1cn 12249 | . . . . . 6 ⊢ -1 ∈ ℂ | |
| 8 | homulcl 32269 | . . . . . 6 ⊢ ((-1 ∈ ℂ ∧ 𝑈: ℋ⟶ ℋ) → (-1 ·op 𝑈): ℋ⟶ ℋ) | |
| 9 | 7, 2, 8 | mp2an 705 | . . . . 5 ⊢ (-1 ·op 𝑈): ℋ⟶ ℋ |
| 10 | 1, 9, 2 | hoadd32i 32288 | . . . 4 ⊢ ((𝑇 +op (-1 ·op 𝑈)) +op 𝑈) = ((𝑇 +op 𝑈) +op (-1 ·op 𝑈)) |
| 11 | 1, 2, 9 | hoaddassi 32286 | . . . . 5 ⊢ ((𝑇 +op 𝑈) +op (-1 ·op 𝑈)) = (𝑇 +op (𝑈 +op (-1 ·op 𝑈))) |
| 12 | 2, 2 | honegsubi 32306 | . . . . . . . 8 ⊢ (𝑈 +op (-1 ·op 𝑈)) = (𝑈 −op 𝑈) |
| 13 | 2 | hodidi 32297 | . . . . . . . 8 ⊢ (𝑈 −op 𝑈) = 0hop |
| 14 | 12, 13 | eqtri 2783 | . . . . . . 7 ⊢ (𝑈 +op (-1 ·op 𝑈)) = 0hop |
| 15 | 14 | oveq2i 7426 | . . . . . 6 ⊢ (𝑇 +op (𝑈 +op (-1 ·op 𝑈))) = (𝑇 +op 0hop ) |
| 16 | 1 | hoaddridi 32296 | . . . . . 6 ⊢ (𝑇 +op 0hop ) = 𝑇 |
| 17 | 15, 16 | eqtri 2783 | . . . . 5 ⊢ (𝑇 +op (𝑈 +op (-1 ·op 𝑈))) = 𝑇 |
| 18 | 11, 17 | eqtri 2783 | . . . 4 ⊢ ((𝑇 +op 𝑈) +op (-1 ·op 𝑈)) = 𝑇 |
| 19 | 10, 18 | eqtri 2783 | . . 3 ⊢ ((𝑇 +op (-1 ·op 𝑈)) +op 𝑈) = 𝑇 |
| 20 | ho0f 32261 | . . . . 5 ⊢ 0hop : ℋ⟶ ℋ | |
| 21 | 20, 2 | hoaddcomi 32282 | . . . 4 ⊢ ( 0hop +op 𝑈) = (𝑈 +op 0hop ) |
| 22 | 2 | hoaddridi 32296 | . . . 4 ⊢ (𝑈 +op 0hop ) = 𝑈 |
| 23 | 21, 22 | eqtri 2783 | . . 3 ⊢ ( 0hop +op 𝑈) = 𝑈 |
| 24 | 6, 19, 23 | 3eqtr3g 2818 | . 2 ⊢ ((𝑇 −op 𝑈) = 0hop → 𝑇 = 𝑈) |
| 25 | oveq1 7422 | . . 3 ⊢ (𝑇 = 𝑈 → (𝑇 −op 𝑈) = (𝑈 −op 𝑈)) | |
| 26 | 25, 13 | eqtrdi 2811 | . 2 ⊢ (𝑇 = 𝑈 → (𝑇 −op 𝑈) = 0hop ) |
| 27 | 24, 26 | impbii 212 | 1 ⊢ ((𝑇 −op 𝑈) = 0hop ↔ 𝑇 = 𝑈) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1570 ∈ wcel 2145 ⟶wf 6530 (class class class)co 7415 ℂcc 11144 1c1 11147 -cneg 11488 ℋchba 31429 +op chos 31448 ·op chot 31449 −op chod 31450 0hop ch0o 31453 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7738 ax-inf2 9624 ax-cc 10459 ax-cnex 11202 ax-resscn 11203 ax-1cn 11204 ax-icn 11205 ax-addcl 11206 ax-addrcl 11207 ax-mulcl 11208 ax-mulrcl 11209 ax-mulcom 11210 ax-addass 11211 ax-mulass 11212 ax-distr 11213 ax-i2m1 11214 ax-1ne0 11215 ax-1rid 11216 ax-rnegex 11217 ax-rrecex 11218 ax-cnre 11219 ax-pre-lttri 11220 ax-pre-lttrn 11221 ax-pre-ltadd 11222 ax-pre-mulgt0 11223 ax-pre-sup 11224 ax-addf 11225 ax-mulf 11226 ax-hilex 31509 ax-hfvadd 31510 ax-hvcom 31511 ax-hvass 31512 ax-hv0cl 31513 ax-hvaddid 31514 ax-hfvmul 31515 ax-hvmulid 31516 ax-hvmulass 31517 ax-hvdistr1 31518 ax-hvdistr2 31519 ax-hvmul0 31520 ax-hfi 31589 ax-his1 31592 ax-his2 31593 ax-his3 31594 ax-his4 31595 ax-hcompl 31712 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6300 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-isom 6543 df-riota 7372 df-ov 7418 df-oprab 7419 df-mpo 7420 df-of 7680 df-om 7865 df-1st 7988 df-2nd 7989 df-supp 8161 df-frecs 8282 df-wrecs 8313 df-recs 8362 df-rdg 8401 df-1o 8459 df-2o 8460 df-oadd 8463 df-omul 8464 df-er 8700 df-map 8832 df-pm 8833 df-ixp 8909 df-en 8957 df-dom 8958 df-sdom 8959 df-fin 8960 df-fsupp 9336 df-fi 9385 df-sup 9416 df-inf 9417 df-oi 9486 df-card 9966 df-acn 9969 df-pnf 11291 df-mnf 11292 df-xr 11293 df-ltxr 11294 df-le 11295 df-sub 11489 df-neg 11490 df-div 11918 df-nn 12280 df-2 12349 df-3 12350 df-4 12351 df-5 12352 df-6 12353 df-7 12354 df-8 12355 df-9 12356 df-n0 12551 df-z 12638 df-dec 12759 df-uz 12910 df-q 13020 df-rp 13065 df-xneg 13185 df-xadd 13186 df-xmul 13187 df-ioo 13424 df-ico 13426 df-icc 13427 df-fz 13584 df-fzo 13732 df-fl 13875 df-seq 14088 df-exp 14148 df-hash 14417 df-cj 15208 df-re 15209 df-im 15210 df-sqrt 15344 df-abs 15345 df-clim 15597 df-rlim 15598 df-sum 15796 df-struct 17261 df-sets 17278 df-slot 17296 df-ndx 17308 df-base 17324 df-ress 17345 df-plusg 17377 df-mulr 17378 df-starv 17379 df-sca 17380 df-vsca 17381 df-ip 17382 df-tset 17383 df-ple 17384 df-ds 17386 df-unif 17387 df-hom 17388 df-cco 17389 df-rest 17529 df-topn 17530 df-0g 17548 df-gsum 17549 df-topgen 17550 df-pt 17551 df-prds 17554 df-xrs 17610 df-qtop 17615 df-imas 17616 df-xps 17618 df-mre 17692 df-mrc 17693 df-acs 17695 df-mgm 18752 df-sgrp 18844 df-mnd 18860 df-submnd 18915 df-mulg 19214 df-cntz 19467 df-cmn 19932 df-psmet 21606 df-xmet 21607 df-met 21608 df-bl 21609 df-mopn 21610 df-fbas 21611 df-fg 21612 df-cnfld 21615 df-top 23148 df-topon 23165 df-topsp 23187 df-bases 23200 df-cld 23273 df-ntr 23274 df-cls 23275 df-nei 23352 df-cn 23481 df-cnp 23482 df-lm 23483 df-haus 23569 df-tx 23817 df-hmeo 24010 df-fil 24101 df-fm 24193 df-flim 24194 df-flf 24195 df-xms 24575 df-ms 24576 df-tms 24577 df-cfil 25512 df-cau 25513 df-cmet 25514 df-grpo 31003 df-gid 31004 df-ginv 31005 df-gdiv 31006 df-ablo 31055 df-vc 31069 df-nv 31102 df-va 31105 df-ba 31106 df-sm 31107 df-0v 31108 df-vs 31109 df-nmcv 31110 df-ims 31111 df-dip 31211 df-ssp 31232 df-ph 31323 df-cbn 31373 df-hnorm 31478 df-hba 31479 df-hvsub 31481 df-hlim 31482 df-hcau 31483 df-sh 31717 df-ch 31731 df-oc 31762 df-ch0 31763 df-shs 31818 df-pjh 31905 df-hosum 32240 df-homul 32241 df-hodif 32242 df-h0op 32258 |
| This theorem is used by: lnopeqi 32518 |
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