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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 2898 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2883 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-5 1911 |
| This theorem depends on definitions: df-bi 207 df-ex 1781 df-nf 1785 df-nfc 2885 |
| This theorem is referenced by: nfeld 2910 ralcom2 3347 cbvexeqsetf 3455 sbcralt 3822 sbcrext 3823 csbie2t 3887 sbcco3gw 4377 sbcco3g 4382 csbco3g 4383 dfnfc2 4885 nfdisjw 5077 eusvnfb 5338 eusv2i 5339 dfid3 5522 iota2d 6480 iota2 6481 fmptcof 7075 nfriotadw 7323 riotaeqimp 7341 riota5f 7343 riota5 7344 oprabid 7390 opiota 8003 fmpoco 8037 nfttrcld 9619 axrepndlem1 10503 axrepndlem2 10504 axunnd 10507 axpowndlem2 10509 axpowndlem3 10510 axpowndlem4 10511 axpownd 10512 axregndlem2 10514 axinfndlem1 10516 axinfnd 10517 axacndlem4 10521 axacndlem5 10522 axacnd 10523 nfnegd 11375 prodsn 15885 fprodeq0g 15917 bpolylem 15971 pcmpt 16820 nfchnd 18534 chfacfpmmulfsupp 22807 elmptrab 23771 dvfsumrlim3 25996 itgsubstlem 26011 itgsubst 26012 ifeqeqx 32617 disjunsn 32669 axnulg 35264 bj-elgab 37140 bj-gabima 37141 wl-issetft 37783 unirep 37911 riotasv2d 39213 cdleme31so 40635 cdleme31se 40638 cdleme31sc 40640 cdleme31sde 40641 cdleme31sn2 40645 cdlemeg47rv2 40766 cdlemk41 41176 mapdheq 41984 hdmap1eq 42057 hdmapval2lem 42087 monotuz 43179 oddcomabszz 43182 mnringvald 44450 nfxnegd 45681 fprodsplit1 45835 dvnmul 46183 sge0sn 46619 hoidmvlelem3 46837 |
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