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Mirrors > Home > MPE Home > Th. List > nfcvd | Structured version Visualization version GIF version |
Description: If 𝑥 is disjoint from 𝐴, then 𝑥 is not free in 𝐴. (Contributed by Mario Carneiro, 7-Oct-2016.) |
Ref | Expression |
---|---|
nfcvd | ⊢ (𝜑 → Ⅎ𝑥𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2955 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 Ⅎwnfc 2936 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-5 1911 |
This theorem depends on definitions: df-bi 210 df-ex 1782 df-nf 1786 df-nfc 2938 |
This theorem is referenced by: nfeld 2966 nfraldw 3187 ralcom2 3316 nfreuw 3327 nfrmow 3328 vtoclgft 3501 vtoclgftOLD 3502 vtocld 3504 sbcralt 3801 sbcrext 3802 csbied 3864 csbie2t 3866 sbcco3gw 4330 sbcco3g 4335 csbco3g 4336 dfnfc2 4822 nfdisjw 5007 eusvnfb 5259 eusv2i 5260 dfid3 5427 iota2d 6312 iota2 6313 fmptcof 6869 nfriotadw 7101 riotaeqimp 7119 riota5f 7121 riota5 7122 oprabid 7167 opiota 7739 fmpoco 7773 axrepndlem1 10003 axrepndlem2 10004 axunnd 10007 axpowndlem2 10009 axpowndlem3 10010 axpowndlem4 10011 axpownd 10012 axregndlem2 10014 axinfndlem1 10016 axinfnd 10017 axacndlem4 10021 axacndlem5 10022 axacnd 10023 nfnegd 10870 prodsn 15308 fprodeq0g 15340 bpolylem 15394 pcmpt 16218 chfacfpmmulfsupp 21468 elmptrab 22432 dvfsumrlim3 24636 itgsubstlem 24651 itgsubst 24652 ifeqeqx 30309 disjunsn 30357 unirep 35151 riotasv2d 36253 cdleme31so 37675 cdleme31se 37678 cdleme31sc 37680 cdleme31sde 37681 cdleme31sn2 37685 cdlemeg47rv2 37806 cdlemk41 38216 mapdheq 39024 hdmap1eq 39097 hdmapval2lem 39127 monotuz 39882 oddcomabszz 39885 mnringvald 40921 nfxnegd 42078 fprodsplit1 42235 dvnmul 42585 sge0sn 43018 hoidmvlelem3 43236 |
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