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| Mirrors > Home > MPE Home > Th. List > subcli | Structured version Visualization version GIF version | ||
| Description: Closure law for subtraction. (Contributed by NM, 26-Nov-1994.) (Revised by Mario Carneiro, 21-Dec-2013.) |
| Ref | Expression |
|---|---|
| negidi.1 | ⊢ 𝐴 ∈ ℂ |
| pncan3i.2 | ⊢ 𝐵 ∈ ℂ |
| Ref | Expression |
|---|---|
| subcli | ⊢ (𝐴 − 𝐵) ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | pncan3i.2 | . 2 ⊢ 𝐵 ∈ ℂ | |
| 3 | subcl 11473 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 − 𝐵) ∈ ℂ) | |
| 4 | 1, 2, 3 | mp2an 705 | 1 ⊢ (𝐴 − 𝐵) ∈ ℂ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 (class class class)co 7419 ℂcc 11115 − cmin 11458 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-ltxr 11265 df-sub 11460 |
| This theorem is used by: zeo 12700 peano5uzi 12703 nummac 12779 uzrdgxfr 14023 sqeqori 14270 crreczi 14284 abs3lemi 15488 0.999... 15960 bpoly3 16136 bpoly4 16137 pockthi 16991 1cubr 27060 atanlogsublem 27133 birthday 27172 logfacbnd3 27440 addsq2nreurex 27661 ax5seglem7 29342 ip1ilem 31251 ipasslem10 31264 siilem1 31276 polid2i 31582 dpmul4 33305 ballotth 34995 problem4 36199 quad3 36201 sqdeccom12 43110 areaquad 44003 i2linesi 50615 |
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