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Mirrors > Home > MPE Home > Th. List > ordwe | Structured version Visualization version GIF version |
Description: Membership well-orders every ordinal. Proposition 7.4 of [TakeutiZaring] p. 36. (Contributed by NM, 3-Apr-1994.) |
Ref | Expression |
---|---|
ordwe | ⊢ (Ord 𝐴 → E We 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ord 6194 | . 2 ⊢ (Ord 𝐴 ↔ (Tr 𝐴 ∧ E We 𝐴)) | |
2 | 1 | simprbi 499 | 1 ⊢ (Ord 𝐴 → E We 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 Tr wtr 5172 E cep 5464 We wwe 5513 Ord word 6190 |
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-ord 6194 |
This theorem is referenced by: ordfr 6206 trssord 6208 tz7.5 6212 ordelord 6213 tz7.7 6217 oieu 9003 oiid 9005 hartogslem1 9006 oemapso 9145 cantnf 9156 oemapwe 9157 dfac8b 9457 fin23lem27 9750 om2uzoi 13324 ltweuz 13330 wepwso 39663 onfrALTlem3 40898 onfrALTlem3VD 41241 |
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