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| Mirrors > Home > ILE Home > Th. List > subap0d | GIF version | ||
| Description: Two numbers apart from each other have difference apart from zero. (Contributed by Jim Kingdon, 12-Aug-2021.) (Proof shortened by BJ, 15-Aug-2024.) |
| Ref | Expression |
|---|---|
| subap0d.a | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| subap0d.b | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| subap0d.ap | ⊢ (𝜑 → 𝐴 # 𝐵) |
| Ref | Expression |
|---|---|
| subap0d | ⊢ (𝜑 → (𝐴 − 𝐵) # 0) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subap0d.ap | . 2 ⊢ (𝜑 → 𝐴 # 𝐵) | |
| 2 | subap0d.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 3 | subap0d.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 4 | subap0 8974 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) # 0 ↔ 𝐴 # 𝐵)) | |
| 5 | 2, 3, 4 | syl2anc 415 | . 2 ⊢ (𝜑 → ((𝐴 − 𝐵) # 0 ↔ 𝐴 # 𝐵)) |
| 6 | 1, 5 | mpbird 167 | 1 ⊢ (𝜑 → (𝐴 − 𝐵) # 0) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 ∈ wcel 2209 class class class wbr 4130 (class class class)co 6085 ℂcc 8178 0cc0 8180 − cmin 8499 # cap 8912 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8271 ax-resscn 8272 ax-1cn 8273 ax-1re 8274 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-mulrcl 8279 ax-addcom 8280 ax-mulcom 8281 ax-addass 8282 ax-mulass 8283 ax-distr 8284 ax-i2m1 8285 ax-0lt1 8286 ax-1rid 8287 ax-0id 8288 ax-rnegex 8289 ax-precex 8290 ax-cnre 8291 ax-pre-ltirr 8292 ax-pre-lttrn 8294 ax-pre-apti 8295 ax-pre-ltadd 8296 ax-pre-mulgt0 8297 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8363 df-mnf 8364 df-ltxr 8366 df-sub 8501 df-neg 8502 df-reap 8906 df-ap 8913 |
| This theorem is used by: abssubap0 11872 climuni 12077 pwm1geoserap1 12293 geolim 12296 geolim2 12297 georeclim 12298 geoisum1c 12305 tanaddap 12524 cnopnap 15764 limcimo 15818 dvlemap 15833 dvconst 15847 dvid 15848 dvconstre 15849 dvidre 15850 dvconstss 15851 dvcnp2cntop 15852 dvaddxxbr 15854 dvmulxxbr 15855 dvcoapbr 15860 dvcjbr 15861 dvrecap 15866 dvef 15880 |
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