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Mirrors > Home > ILE Home > Th. List > nfsbc1v | GIF version |
Description: Bound-variable hypothesis builder for class substitution. (Contributed by Mario Carneiro, 12-Oct-2016.) |
Ref | Expression |
---|---|
nfsbc1v | ⊢ Ⅎ𝑥[𝐴 / 𝑥]𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2281 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | nfsbc1 2926 | 1 ⊢ Ⅎ𝑥[𝐴 / 𝑥]𝜑 |
Colors of variables: wff set class |
Syntax hints: Ⅎwnf 1436 [wsbc 2909 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-sbc 2910 |
This theorem is referenced by: elrabsf 2947 cbvralcsf 3062 cbvrexcsf 3063 euotd 4176 findes 4517 omsinds 4535 elfvmptrab1 5515 ralrnmpt 5562 rexrnmpt 5563 dfopab2 6087 dfoprab3s 6088 mpoxopoveq 6137 findcard2 6783 findcard2s 6784 ac6sfi 6792 indpi 7150 nn0ind-raph 9168 uzind4s 9385 indstr 9388 fzrevral 9885 exfzdc 10017 uzsinds 10215 zsupcllemstep 11638 infssuzex 11642 prmind2 11801 bj-bdfindes 13147 bj-findes 13179 |
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