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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 7817 | . 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 2145 Vcvv 3451 suc csuc 6363 |
| 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 2147 ax-9 2155 ax-ext 2733 ax-sep 5249 ax-pr 5391 ax-un 7749 |
| 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 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-un 3904 df-in 3906 df-ss 3916 df-sn 4585 df-pr 4587 df-uni 4868 df-suc 6367 |
| This theorem is used by: orduninsuc 7852 tfindsg 7870 tfinds2 7873 finds 7906 findsg 7907 finds2 7908 seqomlem1 8453 oasuc 8525 onasuc 8529 naddcllem 8678 infensuc 9167 inf0 9615 inf3lem1 9622 dfom3 9641 cantnflt 9666 cantnflem1 9683 cnfcom 9694 brttrcl2 9708 ssttrcl 9709 ttrcltr 9710 ttrclss 9714 ttrclselem2 9720 rankfilimbi 9895 infxpenlem 10085 pwsdompw 10274 cfslb2n 10339 cfsmolem 10341 fin1a2lem12 10482 axdc4lem 10526 alephreg 10660 bnj986 35578 bnj1018g 35586 bnj1018 35587 fineqvnttrclse 35775 satf 36097 dfon2lem7 36531 nmulprop 36919 rdgssun 38281 dford3lem2 44013 |
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