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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 2923 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2908 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-5 1938 |
| This theorem depends on definitions: df-bi 210 df-ex 1808 df-nf 1812 df-nfc 2910 |
| This theorem is referenced by: nfeld 2934 ralcom2 3364 cbvexeqsetf 3468 sbcralt 3824 sbcrext 3825 csbie2t 3890 sbcco3gw 4389 sbcco3g 4394 csbco3g 4395 dfnfc2 4893 eusvnfb 5364 eusv2i 5365 dfid3 5559 iota2d 6524 iota2 6525 fmptcof 7126 nfriotadw 7375 riotaeqimp 7393 riota5f 7395 riota5 7396 oprabid 7442 opiota 8055 fmpoco 8089 nfttrcld 9678 axrepndlem1 10576 axrepndlem2 10577 axunnd 10580 axpowndlem2 10582 axpowndlem3 10583 axpowndlem4 10584 axpownd 10585 axregndlem2 10587 axinfndlem1 10589 axinfnd 10590 axacndlem4 10594 axacndlem5 10595 axacnd 10596 nfnegd 11451 prodsn 16015 fprodeq0g 16047 bpolylem 16101 pcmpt 16951 nfchnd 18666 chfacfpmmulfsupp 22999 elmptrab 23963 dvfsumrlim3 26171 itgsubstlem 26186 itgsubst 26187 ifeqeqx 32854 disjunsn 32905 axsepg2 35507 axnulg 35512 axpowg2 35514 axpowg3 35515 bj-elgab 37519 bj-gabima 37520 wl-issetft 38181 unirep 38309 riotasv2d 39677 cdleme31so 41099 cdleme31se 41102 cdleme31sc 41104 cdleme31sde 41105 cdleme31sn2 41109 cdlemeg47rv2 41230 cdlemk41 41640 mapdheq 42448 hdmap1eq 42521 hdmapval2lem 42551 monotuz 43616 oddcomabszz 43619 mnringvald 44885 nfxnegd 46103 fprodsplit1 46257 dvnmul 46605 sge0sn 47041 hoidmvlelem3 47259 |
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