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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 2899 | . 2 ⊢ Ⅎ𝑥𝐴 | |
| 2 | 1 | a1i 11 | 1 ⊢ (𝜑 → Ⅎ𝑥𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 Ⅎwnfc 2884 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-5 1912 |
| This theorem depends on definitions: df-bi 207 df-ex 1782 df-nf 1786 df-nfc 2886 |
| This theorem is referenced by: nfeld 2911 ralcom2 3340 cbvexeqsetf 3445 sbcralt 3811 sbcrext 3812 csbie2t 3876 sbcco3gw 4366 sbcco3g 4371 csbco3g 4372 dfnfc2 4873 eusvnfb 5330 eusv2i 5331 dfid3 5522 iota2d 6480 iota2 6481 fmptcof 7077 nfriotadw 7325 riotaeqimp 7343 riota5f 7345 riota5 7346 oprabid 7392 opiota 8005 fmpoco 8038 nfttrcld 9622 axrepndlem1 10506 axrepndlem2 10507 axunnd 10510 axpowndlem2 10512 axpowndlem3 10513 axpowndlem4 10514 axpownd 10515 axregndlem2 10517 axinfndlem1 10519 axinfnd 10520 axacndlem4 10524 axacndlem5 10525 axacnd 10526 nfnegd 11379 prodsn 15918 fprodeq0g 15950 bpolylem 16004 pcmpt 16854 nfchnd 18568 chfacfpmmulfsupp 22838 elmptrab 23802 dvfsumrlim3 26010 itgsubstlem 26025 itgsubst 26026 ifeqeqx 32627 disjunsn 32679 axnulg 35267 bj-elgab 37262 bj-gabima 37263 wl-issetft 37921 unirep 38049 riotasv2d 39417 cdleme31so 40839 cdleme31se 40842 cdleme31sc 40844 cdleme31sde 40845 cdleme31sn2 40849 cdlemeg47rv2 40970 cdlemk41 41380 mapdheq 42188 hdmap1eq 42261 hdmapval2lem 42291 monotuz 43387 oddcomabszz 43390 mnringvald 44658 nfxnegd 45887 fprodsplit1 46041 dvnmul 46389 sge0sn 46825 hoidmvlelem3 47043 |
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