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| Mirrors > Home > MPE Home > Th. List > sucex | Structured version Visualization version GIF version | ||
| Description: The successor of a set is a set. (Contributed by NM, 30-Aug-1993.) |
| Ref | Expression |
|---|---|
| sucex.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| sucex | ⊢ suc 𝐴 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sucex.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | sucexg 7810 | . 2 ⊢ (𝐴 ∈ V → suc 𝐴 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ suc 𝐴 ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 Vcvv 3457 suc csuc 6366 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 ax-sep 5259 ax-pr 5406 ax-un 7742 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-un 3911 df-in 3913 df-ss 3923 df-sn 4592 df-pr 4594 df-uni 4875 df-suc 6370 |
| This theorem is used by: orduninsuc 7845 tfindsg 7863 tfinds2 7866 finds 7899 findsg 7900 finds2 7901 seqomlem1 8443 oasuc 8515 onasuc 8519 naddcllem 8668 infensuc 9150 inf0 9597 inf3lem1 9604 dfom3 9623 cantnflt 9648 cantnflem1 9665 cnfcom 9676 brttrcl2 9690 ssttrcl 9691 ttrcltr 9692 ttrclss 9696 ttrclselem2 9702 infxpenlem 10013 pwsdompw 10202 cfslb2n 10267 cfsmolem 10269 fin1a2lem12 10410 axdc4lem 10454 alephreg 10582 bnj986 35408 bnj1018g 35416 bnj1018 35417 rankfilimbi 35553 fineqvnttrclse 35594 satf 35882 dfon2lem7 36316 nmulprop 36719 rdgssun 38081 dford3lem2 43812 |
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