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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 10912 | . . . 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 1537 ∈ wcel 2114 ≠ wne 3016 (class class class)co 7156 ℂcc 10535 0cc0 10537 − cmin 10870 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 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 3496 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 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-po 5474 df-so 5475 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-ltxr 10680 df-sub 10872 |
This theorem is referenced by: modsumfzodifsn 13313 abssubne0 14676 rlimuni 14907 climuni 14909 pwm1geoserOLD 15225 evth 23563 dvlem 24494 dvconst 24514 dvid 24515 dvcnp2 24517 dvaddbr 24535 dvmulbr 24536 dvcobr 24543 dvcjbr 24546 dvrec 24552 dvcnvlem 24573 dvferm2lem 24583 taylthlem2 24962 ulmdvlem1 24988 ang180lem4 25390 ang180lem5 25391 ang180 25392 isosctrlem3 25398 isosctr 25399 ssscongptld 25400 affineequivne 25405 angpieqvdlem 25406 angpieqvdlem2 25407 angpined 25408 angpieqvd 25409 chordthmlem 25410 chordthmlem2 25411 heron 25416 asinlem 25446 lgamgulmlem2 25607 lgamgulmlem3 25608 2sqmod 26012 ttgcontlem1 26671 brbtwn2 26691 axcontlem8 26757 subne0nn 30537 signsvtn0 31840 unbdqndv2lem2 33849 bj-bary1lem 34594 bj-bary1lem1 34595 bj-bary1 34596 pellexlem6 39451 jm2.26lem3 39618 areaquad 39843 bcc0 40692 bccm1k 40694 abssubrp 41561 lptre2pt 41941 limclner 41952 climxrre 42051 cnrefiisplem 42130 fperdvper 42223 stoweidlem23 42328 wallispilem4 42373 wallispi 42375 wallispi2lem1 42376 wallispi2lem2 42377 wallispi2 42378 stirlinglem5 42383 fourierdlem4 42416 fourierdlem42 42454 fourierdlem74 42485 fourierdlem75 42486 fouriersw 42536 sigardiv 43138 sigarcol 43141 sharhght 43142 affinecomb1 44709 affinecomb2 44710 1subrec1sub 44712 eenglngeehlnmlem1 44744 eenglngeehlnmlem2 44745 rrx2vlinest 44748 rrx2linest 44749 2itscp 44788 itscnhlinecirc02plem1 44789 itscnhlinecirc02p 44792 |
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