| Metamath Proof Explorer |
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Related theorems Unicode version |
| Description: The successor of a set is a set. |
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| Step | Hyp | Ref | Expression |
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| 3 | 1, 2 | ax-mp 7 |
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| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: orduninsuc 3104 onzsl 3107 finds 3146 findsg 3147 finds2 3148 findes 3150 tfindsg 3152 tfindes 3154 tfinds2 3155 oasuc 4147 phplem4 4491 php 4493 unifi 4532 inf0 4578 inf3lem1 4585 dfom3 4602 infensuc 4610 r1pwcl 4659 rankval4 4674 indpi 5006 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-sep 2693 ax-pow 2732 ax-pr 2769 ax-un 2857 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-v 1803 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-pw 2392 df-sn 2402 df-pr 2403 df-uni 2494 df-suc 2944 |