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Mirrors > Home > MPE Home > Th. List > subne0d | Structured version Visualization version GIF version |
Description: Two unequal numbers have nonzero difference. (Contributed by Mario Carneiro, 1-Jan-2017.) |
Ref | Expression |
---|---|
negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
pncand.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
subne0d.3 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
Ref | Expression |
---|---|
subne0d | ⊢ (𝜑 → (𝐴 − 𝐵) ≠ 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | subne0d.3 | . 2 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
2 | negidd.1 | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
3 | pncand.2 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
4 | subeq0 10906 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) | |
5 | 2, 3, 4 | syl2anc 586 | . . 3 ⊢ (𝜑 → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) |
6 | 5 | necon3bid 3060 | . 2 ⊢ (𝜑 → ((𝐴 − 𝐵) ≠ 0 ↔ 𝐴 ≠ 𝐵)) |
7 | 1, 6 | mpbird 259 | 1 ⊢ (𝜑 → (𝐴 − 𝐵) ≠ 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1533 ∈ wcel 2110 ≠ wne 3016 (class class class)co 7150 ℂcc 10529 0cc0 10531 − cmin 10864 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5455 df-po 5469 df-so 5470 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-ltxr 10674 df-sub 10866 |
This theorem is referenced by: modsumfzodifsn 13306 abssubne0 14670 rlimuni 14901 climuni 14903 pwm1geoserOLD 15219 evth 23557 dvlem 24488 dvconst 24508 dvid 24509 dvcnp2 24511 dvaddbr 24529 dvmulbr 24530 dvcobr 24537 dvcjbr 24540 dvrec 24546 dvcnvlem 24567 dvferm2lem 24577 taylthlem2 24956 ulmdvlem1 24982 ang180lem4 25384 ang180lem5 25385 ang180 25386 isosctrlem3 25392 isosctr 25393 ssscongptld 25394 affineequivne 25399 angpieqvdlem 25400 angpieqvdlem2 25401 angpined 25402 angpieqvd 25403 chordthmlem 25404 chordthmlem2 25405 heron 25410 asinlem 25440 lgamgulmlem2 25601 lgamgulmlem3 25602 2sqmod 26006 ttgcontlem1 26665 brbtwn2 26685 axcontlem8 26751 subne0nn 30532 signsvtn0 31835 unbdqndv2lem2 33844 bj-bary1lem 34585 bj-bary1lem1 34586 bj-bary1 34587 pellexlem6 39424 jm2.26lem3 39591 areaquad 39816 bcc0 40665 bccm1k 40667 abssubrp 41533 lptre2pt 41913 limclner 41924 climxrre 42023 cnrefiisplem 42102 fperdvper 42195 stoweidlem23 42301 wallispilem4 42346 wallispi 42348 wallispi2lem1 42349 wallispi2lem2 42350 wallispi2 42351 stirlinglem5 42356 fourierdlem4 42389 fourierdlem42 42427 fourierdlem74 42458 fourierdlem75 42459 fouriersw 42509 sigardiv 43111 sigarcol 43114 sharhght 43115 affinecomb1 44682 affinecomb2 44683 1subrec1sub 44685 eenglngeehlnmlem1 44717 eenglngeehlnmlem2 44718 rrx2vlinest 44721 rrx2linest 44722 2itscp 44761 itscnhlinecirc02plem1 44762 itscnhlinecirc02p 44765 |
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