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| Mirrors > Home > MPE Home > Th. List > Mathboxes > msrfo | Structured version Visualization version GIF version | ||
| Description: The reduct of a pre-statement is a statement. (Contributed by Mario Carneiro, 18-Jul-2016.) |
| Ref | Expression |
|---|---|
| mstaval.r | ⊢ 𝑅 = (mStRed‘𝑇) |
| mstaval.s | ⊢ 𝑆 = (mStat‘𝑇) |
| msrfo.p | ⊢ 𝑃 = (mPreSt‘𝑇) |
| Ref | Expression |
|---|---|
| msrfo | ⊢ 𝑅:𝑃–onto→𝑆 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | msrfo.p | . . . . 5 ⊢ 𝑃 = (mPreSt‘𝑇) | |
| 2 | mstaval.r | . . . . 5 ⊢ 𝑅 = (mStRed‘𝑇) | |
| 3 | 1, 2 | msrf 35892 | . . . 4 ⊢ 𝑅:𝑃⟶𝑃 |
| 4 | ffn 6691 | . . . 4 ⊢ (𝑅:𝑃⟶𝑃 → 𝑅 Fn 𝑃) | |
| 5 | 3, 4 | ax-mp 5 | . . 3 ⊢ 𝑅 Fn 𝑃 |
| 6 | dffn4 6784 | . . 3 ⊢ (𝑅 Fn 𝑃 ↔ 𝑅:𝑃–onto→ran 𝑅) | |
| 7 | 5, 6 | mpbi 232 | . 2 ⊢ 𝑅:𝑃–onto→ran 𝑅 |
| 8 | mstaval.s | . . . 4 ⊢ 𝑆 = (mStat‘𝑇) | |
| 9 | 2, 8 | mstaval 35894 | . . 3 ⊢ 𝑆 = ran 𝑅 |
| 10 | foeq3 6776 | . . 3 ⊢ (𝑆 = ran 𝑅 → (𝑅:𝑃–onto→𝑆 ↔ 𝑅:𝑃–onto→ran 𝑅)) | |
| 11 | 9, 10 | ax-mp 5 | . 2 ⊢ (𝑅:𝑃–onto→𝑆 ↔ 𝑅:𝑃–onto→ran 𝑅) |
| 12 | 7, 11 | mpbir 233 | 1 ⊢ 𝑅:𝑃–onto→𝑆 |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 = wceq 1560 ran crn 5648 Fn wfn 6516 ⟶wf 6517 –onto→wfo 6519 ‘cfv 6521 mPreStcmpst 35823 mStRedcmsr 35824 mStatcmsta 35825 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-ot 4591 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-1st 7970 df-2nd 7971 df-mpst 35843 df-msr 35844 df-msta 35845 |
| This theorem is referenced by: (None) |
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