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Mirrors > Home > ILE Home > Th. List > subcld | GIF version |
Description: Closure law for subtraction. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
pncand.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
Ref | Expression |
---|---|
subcld | ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | negidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | pncand.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
3 | subcl 7954 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 − 𝐵) ∈ ℂ) | |
4 | 1, 2, 3 | syl2anc 408 | 1 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 (class class class)co 5767 ℂcc 7611 − cmin 7926 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-setind 4447 ax-resscn 7705 ax-1cn 7706 ax-icn 7708 ax-addcl 7709 ax-addrcl 7710 ax-mulcl 7711 ax-addcom 7713 ax-addass 7715 ax-distr 7717 ax-i2m1 7718 ax-0id 7721 ax-rnegex 7722 ax-cnre 7724 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-ral 2419 df-rex 2420 df-reu 2421 df-rab 2423 df-v 2683 df-sbc 2905 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-br 3925 df-opab 3985 df-id 4210 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-iota 5083 df-fun 5120 df-fv 5126 df-riota 5723 df-ov 5770 df-oprab 5771 df-mpo 5772 df-sub 7928 |
This theorem is referenced by: pnpncand 8130 kcnktkm1cn 8138 muleqadd 8422 peano2zm 9085 peano5uzti 9152 modqmuladdnn0 10134 modsumfzodifsn 10162 hashfz 10560 hashfzo 10561 shftfvalg 10583 ovshftex 10584 shftfibg 10585 shftfval 10586 shftdm 10587 shftfib 10588 shftval 10590 2shfti 10596 crre 10622 remim 10625 remullem 10636 resqrexlemover 10775 resqrexlemcalc1 10779 abssubne0 10856 abs3lem 10876 caubnd2 10882 maxabslemlub 10972 maxabslemval 10973 maxcl 10975 minabs 11000 bdtrilem 11003 bdtri 11004 climuni 11055 mulcn2 11074 reccn2ap 11075 cn1lem 11076 climcvg1nlem 11111 fsumparts 11232 arisum2 11261 geosergap 11268 geo2sum2 11277 geoisum1c 11282 cvgratnnlemrate 11292 sinval 11398 sinf 11400 tanval2ap 11409 tanval3ap 11410 sinneg 11422 efival 11428 cos12dec 11463 addcncntoplem 12709 mulcncflem 12748 cnopnap 12752 limcimolemlt 12791 limcimo 12792 cnplimclemle 12795 limccnp2lem 12803 dvlemap 12807 dvconst 12819 dvid 12820 dvcnp2cntop 12821 dvaddxxbr 12823 dvmulxxbr 12824 dvcoapbr 12829 dvcjbr 12830 dvrecap 12835 dveflem 12844 dvef 12845 sin0pilem1 12851 ptolemy 12894 tangtx 12908 cosq34lt1 12920 qdencn 13211 |
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