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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 2925 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2910 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-5 1940 |
| This theorem depends on definitions: df-bi 210 df-ex 1810 df-nf 1814 df-nfc 2912 |
| This theorem is referenced by: nfeld 2936 ralcom2 3366 cbvexeqsetf 3470 sbcralt 3826 sbcrext 3827 csbie2t 3892 sbcco3gw 4391 sbcco3g 4396 csbco3g 4397 dfnfc2 4895 eusvnfb 5366 eusv2i 5367 dfid3 5561 iota2d 6526 iota2 6527 fmptcof 7128 nfriotadw 7377 riotaeqimp 7395 riota5f 7397 riota5 7398 oprabid 7444 opiota 8057 fmpoco 8091 nfttrcld 9680 axrepndlem1 10578 axrepndlem2 10579 axunnd 10582 axpowndlem2 10584 axpowndlem3 10585 axpowndlem4 10586 axpownd 10587 axregndlem2 10589 axinfndlem1 10591 axinfnd 10592 axacndlem4 10596 axacndlem5 10597 axacnd 10598 nfnegd 11453 prodsn 16018 fprodeq0g 16050 bpolylem 16103 pcmpt 16953 nfchnd 18668 chfacfpmmulfsupp 23001 elmptrab 23965 dvfsumrlim3 26173 itgsubstlem 26188 itgsubst 26189 ifeqeqx 32866 disjunsn 32917 axsepg2 35531 axnulg 35536 axpowg2 35538 axpowg3 35539 bj-elgab 37553 bj-gabima 37554 wl-issetft 38215 unirep 38343 riotasv2d 39709 cdleme31so 41131 cdleme31se 41134 cdleme31sc 41136 cdleme31sde 41137 cdleme31sn2 41141 cdlemeg47rv2 41262 cdlemk41 41672 mapdheq 42480 hdmap1eq 42553 hdmapval2lem 42583 monotuz 43648 oddcomabszz 43651 mnringvald 44917 nfxnegd 46135 fprodsplit1 46289 dvnmul 46637 sge0sn 47073 hoidmvlelem3 47291 |
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