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Mirrors > Home > MPE Home > Th. List > limuni | Structured version Visualization version GIF version |
Description: A limit ordinal is its own supremum (union). (Contributed by NM, 4-May-1995.) |
Ref | Expression |
---|---|
limuni | ⊢ (Lim 𝐴 → 𝐴 = ∪ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-lim 6196 | . 2 ⊢ (Lim 𝐴 ↔ (Ord 𝐴 ∧ 𝐴 ≠ ∅ ∧ 𝐴 = ∪ 𝐴)) | |
2 | 1 | simp3bi 1143 | 1 ⊢ (Lim 𝐴 → 𝐴 = ∪ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ≠ wne 3016 ∅c0 4291 ∪ cuni 4838 Ord word 6190 Lim wlim 6192 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 209 df-an 399 df-3an 1085 df-lim 6196 |
This theorem is referenced by: limuni2 6252 unizlim 6307 nlimsucg 7557 oa0r 8163 om1r 8169 oarec 8188 oeworde 8219 oeeulem 8227 infeq5i 9099 r1sdom 9203 rankxplim3 9310 cflm 9672 coflim 9683 cflim2 9685 cfss 9687 cfslbn 9689 limsucncmpi 33793 dfom6 39918 |
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