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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 11069 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) | |
5 | 2, 3, 4 | syl2anc 587 | . . 3 ⊢ (𝜑 → ((𝐴 − 𝐵) = 0 ↔ 𝐴 = 𝐵)) |
6 | 5 | necon3bid 2976 | . 2 ⊢ (𝜑 → ((𝐴 − 𝐵) ≠ 0 ↔ 𝐴 ≠ 𝐵)) |
7 | 1, 6 | mpbird 260 | 1 ⊢ (𝜑 → (𝐴 − 𝐵) ≠ 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 = wceq 1543 ∈ wcel 2112 ≠ wne 2932 (class class class)co 7191 ℂcc 10692 0cc0 10694 − cmin 11027 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-po 5453 df-so 5454 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-er 8369 df-en 8605 df-dom 8606 df-sdom 8607 df-pnf 10834 df-mnf 10835 df-ltxr 10837 df-sub 11029 |
This theorem is referenced by: modsumfzodifsn 13482 abssubne0 14845 rlimuni 15076 climuni 15078 evth 23810 dvlem 24747 dvconst 24768 dvid 24769 dvcnp2 24771 dvaddbr 24789 dvmulbr 24790 dvcobr 24797 dvcjbr 24800 dvrec 24806 dvcnvlem 24827 dvferm2lem 24837 taylthlem2 25220 ulmdvlem1 25246 ang180lem4 25649 ang180lem5 25650 ang180 25651 isosctrlem3 25657 isosctr 25658 ssscongptld 25659 affineequivne 25664 angpieqvdlem 25665 angpieqvdlem2 25666 angpined 25667 angpieqvd 25668 chordthmlem 25669 chordthmlem2 25670 heron 25675 asinlem 25705 lgamgulmlem2 25866 lgamgulmlem3 25867 2sqmod 26271 ttgcontlem1 26930 brbtwn2 26950 axcontlem8 27016 subne0nn 30809 signsvtn0 32215 unbdqndv2lem2 34376 bj-bary1lem 35164 bj-bary1lem1 35165 bj-bary1 35166 lcmineqlem11 39730 pellexlem6 40300 jm2.26lem3 40467 areaquad 40691 bcc0 41572 bccm1k 41574 abssubrp 42427 lptre2pt 42799 limclner 42810 climxrre 42909 cnrefiisplem 42988 fperdvper 43078 stoweidlem23 43182 wallispilem4 43227 wallispi 43229 wallispi2lem1 43230 wallispi2lem2 43231 wallispi2 43232 stirlinglem5 43237 fourierdlem4 43270 fourierdlem42 43308 fourierdlem74 43339 fourierdlem75 43340 fouriersw 43390 sigardiv 43992 sigarcol 43995 sharhght 43996 affinecomb1 45664 affinecomb2 45665 1subrec1sub 45667 eenglngeehlnmlem1 45699 eenglngeehlnmlem2 45700 rrx2vlinest 45703 rrx2linest 45704 2itscp 45743 itscnhlinecirc02plem1 45744 itscnhlinecirc02p 45747 |
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